{"id":4612,"date":"2025-09-12T13:35:59","date_gmt":"2025-09-12T11:35:59","guid":{"rendered":"https:\/\/tarpak.pl\/?p=4612"},"modified":"2025-10-09T12:31:29","modified_gmt":"2025-10-09T10:31:29","slug":"obrobka-metali-techniki-i-ich-zastosowanie","status":"publish","type":"post","link":"https:\/\/tarpak.pl\/en\/obrobka-metali-techniki-i-ich-zastosowanie\/","title":{"rendered":"Metalworking: key techniques and their applications in industry"},"content":{"rendered":"<p>Metalworking is the backbone of modern manufacturing: from small precision components to <strong>packaging machine prototypes<\/strong>, right through to high volume parts for automotive and aerospace. As an engineer, I look at it not only through the prism of \"how to make something\", but above all \"why choose this method\": which <strong>material properties<\/strong> we obtain, how long it will take <strong>the process itself<\/strong>whether it will provide <strong>high quality<\/strong> and repeatability <strong>dimensions<\/strong>. Below you will find a practical guide to <strong>types of metalworking<\/strong> - from <strong>metal machining<\/strong>, by <strong>plastic processing<\/strong> i <strong>heat treatment of metals<\/strong>to finishing and special techniques.<\/p><h2 class=\"wp-block-heading\">CNC machining: when shape, tolerances and speed of implementation matter<\/h2><div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-1 wp-block-columns-is-layout-flex\"><div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\"><p><strong>Metal machining<\/strong> via <strong>removal of material<\/strong> (subtractive) is the most versatile in <strong>production of parts<\/strong> o <strong>specific shapes<\/strong> i <strong>different shapes<\/strong>: from prototypes to small- and medium-volume series. <strong>CNC machines<\/strong> (from <em>Computer Numerical Control<\/em>) use <strong>numerical control<\/strong>to automatically perform <strong>rolling<\/strong>, <strong>milling<\/strong>, <strong>drilling<\/strong> or <strong>finishing of holes<\/strong>. Their strength is <strong>precision machining<\/strong>, quick changeovers and the ability to manufacture from a wide range of materials (steel, <strong>aluminium<\/strong>, copper, plastics).<\/p><\/div>\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\"><figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/tarpak.pl\/wp-content\/uploads\/2025\/09\/obrobka-skrawaniem-CNC-1024x768.jpeg\" alt=\"CNC machining\" class=\"wp-image-4617\" srcset=\"https:\/\/tarpak.pl\/wp-content\/uploads\/2025\/09\/obrobka-skrawaniem-CNC-1024x768.jpeg 1024w, https:\/\/tarpak.pl\/wp-content\/uploads\/2025\/09\/obrobka-skrawaniem-CNC-300x225.jpeg 300w, https:\/\/tarpak.pl\/wp-content\/uploads\/2025\/09\/obrobka-skrawaniem-CNC-768x576.jpeg 768w, https:\/\/tarpak.pl\/wp-content\/uploads\/2025\/09\/obrobka-skrawaniem-CNC-1536x1152.jpeg 1536w, https:\/\/tarpak.pl\/wp-content\/uploads\/2025\/09\/obrobka-skrawaniem-CNC-16x12.jpeg 16w, https:\/\/tarpak.pl\/wp-content\/uploads\/2025\/09\/obrobka-skrawaniem-CNC-600x450.jpeg 600w, https:\/\/tarpak.pl\/wp-content\/uploads\/2025\/09\/obrobka-skrawaniem-CNC.jpeg 1760w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div><\/div><p>In practice, you will most often encounter <strong>CNC milling<\/strong> i <strong>CNC turning<\/strong>. Milling machines move the tool in three (or more) axes, and the <strong>rotation<\/strong> performs the cutter; this is ideal for planes, pockets, threads and complex 3D surfaces. On lathes\/turning centres, on the other hand <strong>material<\/strong> (rod, bushing) rotates and the tool remains static - hence the outstanding efficiency with axisymmetric workpieces: shafts, bushings, flanges. Today, hybrids are common: lathe-milling centres with driven tools, Y axis and counter-spindle.<\/p><p>If you want to delve deeper into specific tolerances, machining strategies (HPC\/HSM), tool selection and tooling materials, it is worth looking at the service providers' practical guides. See also the description of <strong>CNC technology<\/strong> on <a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/tarpak.pl\/en\/oferta\/obrobka-cnc\/\">CNC machining<\/a> - You will find a cross-section of the processes and capabilities of our machine park, making it easier to choose the right method under <strong>the desired shape<\/strong> and tolerances.<\/p><h2 class=\"wp-block-heading\">Forming: forming without loss of material<\/h2><div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-2 wp-block-columns-is-layout-flex\"><div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\"><figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/tarpak.pl\/wp-content\/uploads\/2025\/09\/rozne-rodzaje-obrobki-metali-1024x682.jpeg\" alt=\"various types of metalworking\" class=\"wp-image-4618\" srcset=\"https:\/\/tarpak.pl\/wp-content\/uploads\/2025\/09\/rozne-rodzaje-obrobki-metali-1024x682.jpeg 1024w, https:\/\/tarpak.pl\/wp-content\/uploads\/2025\/09\/rozne-rodzaje-obrobki-metali-300x200.jpeg 300w, https:\/\/tarpak.pl\/wp-content\/uploads\/2025\/09\/rozne-rodzaje-obrobki-metali-768x512.jpeg 768w, https:\/\/tarpak.pl\/wp-content\/uploads\/2025\/09\/rozne-rodzaje-obrobki-metali-1536x1023.jpeg 1536w, https:\/\/tarpak.pl\/wp-content\/uploads\/2025\/09\/rozne-rodzaje-obrobki-metali-18x12.jpeg 18w, https:\/\/tarpak.pl\/wp-content\/uploads\/2025\/09\/rozne-rodzaje-obrobki-metali-600x400.jpeg 600w, https:\/\/tarpak.pl\/wp-content\/uploads\/2025\/09\/rozne-rodzaje-obrobki-metali.jpeg 1747w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\"><p><strong>Plastic processing<\/strong> consists of <strong>metal forming<\/strong> through permanent <strong>deformations<\/strong> - without chips. This is usually the best choice when you need <strong>better mechanical properties<\/strong> (continuous fibre, favourable grain arrangement) and high performance for the series. For <strong>basic types<\/strong> credit <strong>rolling<\/strong>, <strong>forging<\/strong>, <strong>metal stamping<\/strong> (stamping), <strong>metal bending<\/strong>, drawing and extrusion. Rolling is excellent for strapping and <strong>sheets<\/strong> o <strong>thin<\/strong>; <strong>forging<\/strong> (cold, hot, warm) builds up the strength of shafts, connecting rods or rims; <strong>embossing<\/strong> and punching is the fast track to hundreds of thousands of repeatable sheet metal parts; <strong>bending<\/strong> closes the process of forming sections and enclosures.<\/p><\/div><\/div><p>Choosing <strong>type of metal forming<\/strong>, follow:<\/p><ul class=\"wp-block-list\"><li>(1) geometry (flat\/tape vs. solid),<\/li>\n\n<li>(2) the required <strong>durability<\/strong> i <strong>hardness<\/strong>,<\/li>\n\n<li>(3) cost of tools (punches, dies, dies),<\/li>\n\n<li>(4) volume (pressing and drawing pays off with large series).<\/li><\/ul><p>For thin-walled parts with complex geometries, progressive dies with spring-back control offer excellent repeatability <strong>dimensions<\/strong> i <strong>surfaces<\/strong>.<\/p><h2 class=\"wp-block-heading\">Heat treatment of metals: conscious control of microstructure<\/h2><div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-3 wp-block-columns-is-layout-flex\"><div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\"><p><strong>Heat treatment<\/strong> - i.e. targeted heating and cooling in <strong>high temperature<\/strong> - is used to modify the microstructure of steel (and more) to achieve the required properties: from <strong>hardness<\/strong> and resistance to <strong>consumption<\/strong>, to impact strength and susceptibility to further shaping. The most important processes include: <strong>hardening<\/strong> (rapid cooling from austenitisation), tempering, <strong>annealing<\/strong>normalising, carburising\/nitriding (surface hardening) and <strong>thermal upgrading<\/strong> (hardening + tempering to the required <strong>resistance<\/strong> i <strong>hardness<\/strong>). Each has different targets and time-temperature-transition curves.<\/p><\/div>\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\"><figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"684\" src=\"https:\/\/tarpak.pl\/wp-content\/uploads\/2025\/09\/Na-czym-polega-obrobka-metali-1024x684.jpeg\" alt=\"What is metalworking\" class=\"wp-image-4619\" srcset=\"https:\/\/tarpak.pl\/wp-content\/uploads\/2025\/09\/Na-czym-polega-obrobka-metali-1024x684.jpeg 1024w, https:\/\/tarpak.pl\/wp-content\/uploads\/2025\/09\/Na-czym-polega-obrobka-metali-300x200.jpeg 300w, https:\/\/tarpak.pl\/wp-content\/uploads\/2025\/09\/Na-czym-polega-obrobka-metali-768x513.jpeg 768w, https:\/\/tarpak.pl\/wp-content\/uploads\/2025\/09\/Na-czym-polega-obrobka-metali-1536x1025.jpeg 1536w, https:\/\/tarpak.pl\/wp-content\/uploads\/2025\/09\/Na-czym-polega-obrobka-metali-18x12.jpeg 18w, https:\/\/tarpak.pl\/wp-content\/uploads\/2025\/09\/Na-czym-polega-obrobka-metali-600x401.jpeg 600w, https:\/\/tarpak.pl\/wp-content\/uploads\/2025\/09\/Na-czym-polega-obrobka-metali.jpeg 1600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div><\/div><p>In practice: after <strong>machining<\/strong> elements requiring <strong>high quality<\/strong> and resistance to <strong>effect of corrosion<\/strong>\/ wear are subjected to carburising and induction hardening of the surfaces (e.g. wheel teeth), and the bodies - the <strong>annealing<\/strong> relaxing for <strong>stabilisation<\/strong> dimensions before final <strong>grinding<\/strong>. For aluminium alloys, heat treatment (e.g. T6) increases the strength\/weight ratio in aerospace parts. <strong>Heat treatment<\/strong>-chemical (e.g. nitriding) produces a hard layer that is resistant to <strong>corrosion<\/strong> and fatigue with limited core deformation.<\/p><h2 class=\"wp-block-heading\">Finishing and abrasive processing: the last micrometres determine durability<\/h2><div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-4 wp-block-columns-is-layout-flex\"><div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\"><figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"653\" src=\"https:\/\/tarpak.pl\/wp-content\/uploads\/2025\/09\/obrobka-plastyczna-metalu-na-zimno-1024x653.jpeg\" alt=\"cold metal forming\" class=\"wp-image-4620\" srcset=\"https:\/\/tarpak.pl\/wp-content\/uploads\/2025\/09\/obrobka-plastyczna-metalu-na-zimno-1024x653.jpeg 1024w, https:\/\/tarpak.pl\/wp-content\/uploads\/2025\/09\/obrobka-plastyczna-metalu-na-zimno-300x191.jpeg 300w, https:\/\/tarpak.pl\/wp-content\/uploads\/2025\/09\/obrobka-plastyczna-metalu-na-zimno-768x490.jpeg 768w, https:\/\/tarpak.pl\/wp-content\/uploads\/2025\/09\/obrobka-plastyczna-metalu-na-zimno-1536x980.jpeg 1536w, https:\/\/tarpak.pl\/wp-content\/uploads\/2025\/09\/obrobka-plastyczna-metalu-na-zimno-18x12.jpeg 18w, https:\/\/tarpak.pl\/wp-content\/uploads\/2025\/09\/obrobka-plastyczna-metalu-na-zimno-600x383.jpeg 600w, https:\/\/tarpak.pl\/wp-content\/uploads\/2025\/09\/obrobka-plastyczna-metalu-na-zimno.jpeg 1818w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\"><p>When class is key <strong>surfaces<\/strong> and a tolerance of h6 or better, enter <strong>various methods<\/strong> <strong>abrasive machining<\/strong>: <strong>grinding<\/strong> (planes, shafts, holes), honing (ultra-low roughness holes), lapping\/lapping and superfinishing. The principle is common: abrasive particles (aluminium oxide, silicon carbide, CBN, diamond) collected in a bond or in bulk 'pluck' the material, providing small, controlled defects and excellent geometric performance\/texture. In automotive, 'peel grinding' - peripheral grinding with a thin high-speed wheel - is popular, partially replacing the <strong>machining<\/strong> at the rollers.<\/p><\/div><\/div><p>The finishing palette includes blasting processes (micro- and <strong>chemical treatment<\/strong>\/electrochemical), shot-blasting, vibratory polishing (mass finishing) and surface treatments, e.g. <strong>chrome plating<\/strong> or anodising. The choice of method affects not only aesthetics, but also friction, lubricant retention, fatigue crack initiation and resistance to <strong>effect of corrosion<\/strong> - Therefore, think about the finishing touches at the design stage.<\/p><h2 class=\"wp-block-heading\">How to select a process? Short decision map<\/h2><div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-5 wp-block-columns-is-layout-flex\"><div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\"><p><strong>Technological process<\/strong> stack up from the end: functional parameters and <strong>properties<\/strong> (e.g. <strong>hardness<\/strong>, modulus, corrosion resistance), then geometry\/tolerances, and finally cost and volume. If you need a fast MVP or a short series - choose <strong>milling<\/strong>\/<strong>rolling<\/strong> (low cost of entry, flexibility, short deadlines). As the project matures and volumes grow, consider <strong>embossing<\/strong>\/<strong>bending<\/strong> made of sheet metal or <strong>forging<\/strong>\/<strong>rolling<\/strong> for volumetric details - more expensive tools, but lower unit cost and <strong>better mechanical properties<\/strong>. Finally, select <strong>heat treatment of metals<\/strong> and finishing (e.g. <strong>grinding<\/strong>, <strong>chrome plating<\/strong>) to tribological and corrosive requirements.<\/p><\/div>\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\"><figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/tarpak.pl\/wp-content\/uploads\/2025\/09\/obrobka-metali-skrawaniem-1024x682.jpeg\" alt=\"metal machining\" class=\"wp-image-4622\" srcset=\"https:\/\/tarpak.pl\/wp-content\/uploads\/2025\/09\/obrobka-metali-skrawaniem-1024x682.jpeg 1024w, https:\/\/tarpak.pl\/wp-content\/uploads\/2025\/09\/obrobka-metali-skrawaniem-300x200.jpeg 300w, https:\/\/tarpak.pl\/wp-content\/uploads\/2025\/09\/obrobka-metali-skrawaniem-768x511.jpeg 768w, https:\/\/tarpak.pl\/wp-content\/uploads\/2025\/09\/obrobka-metali-skrawaniem-1536x1022.jpeg 1536w, https:\/\/tarpak.pl\/wp-content\/uploads\/2025\/09\/obrobka-metali-skrawaniem-18x12.jpeg 18w, https:\/\/tarpak.pl\/wp-content\/uploads\/2025\/09\/obrobka-metali-skrawaniem-600x399.jpeg 600w, https:\/\/tarpak.pl\/wp-content\/uploads\/2025\/09\/obrobka-metali-skrawaniem.jpeg 1773w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div><\/div><p>In R&amp;D projects (e.g. <strong>prototypes <a href=\"https:\/\/tarpak.pl\/en\/najlepsze-maszyny-pakujace-efektywne-i-wydajne-rozwiazania-dla-twojej-firmy\/\">packaging machines<\/a><\/strong>) it makes sense to combine paths: the first iterations in the <strong>CNC technology<\/strong>and, in parallel, in the background, prepare a concept for stamping or forging dies - so that there is a smooth transition from prototype to pilot and series production without changing the functional <strong>dimensions<\/strong> and supply chain.<\/p><h2 class=\"wp-block-heading\">Overview of selected techniques - practical tips<\/h2><h3 class=\"wp-block-heading\"><strong>CNC turning<\/strong><\/h3><ul class=\"wp-block-list\"><li>Application: shafts, bushings, ferrules - axisymmetric geometries.<\/li>\n\n<li>Tips: minimise tool overhang; control material run-out; for external threads, match the angle of the blade to the profile; consider an auxiliary spindle for machining the other side in one clamping.<\/li><\/ul><h3 class=\"wp-block-heading\"><strong>CNC milling<\/strong><\/h3><ul class=\"wp-block-list\"><li>Applications: plates, bodies, 2.5D\/3D pockets, details of <strong>sheets<\/strong> o <strong>thin<\/strong> (with support).<\/li>\n\n<li>Tips: HEM\/HSM strategy for stainless steels, AlTiN\/TiAlN-coated tools; MQL cooling in aluminium; remember residual machining in corners.<\/li><\/ul><h3 class=\"wp-block-heading\"><strong>Drilling and finishing of holes<\/strong><\/h3><ul class=\"wp-block-list\"><li>Application: Precision bores for bearings, oil channels.<\/li>\n\n<li>Recommendations: Diameter grading, pre-sinking for screw heads, reaming and honing for IT6-IT7, chip control for deep holes (peck cycle).<\/li><\/ul><h3 class=\"wp-block-heading\"><strong>Metal bending<\/strong> (sheet metal)<\/h3><ul class=\"wp-block-list\"><li>Applications: enclosures, brackets, electrical cabinets.<\/li>\n\n<li>Notes: compensate for elastic return; bending radius dependent on rolling direction; for <strong>aluminium<\/strong> choose plastic alloys (e.g. 5xxx series) for small radii.<\/li><\/ul><h3 class=\"wp-block-heading\"><strong>Metal stamping<\/strong><\/h3><ul class=\"wp-block-list\"><li>Application: large series of parts with repeatable sheet metal geometry.<\/li>\n\n<li>Tips: edge quality depends on punch-to-stamp clearance; manage waste and tape in progressive tools; anticipate in-line lubrication and cleaning.<\/li><\/ul><h3 class=\"wp-block-heading\"><strong>Forging<\/strong> (dies\/hammers)<\/h3><ul class=\"wp-block-list\"><li>Application: highly stressed components: connecting rods, pinions, rings.<\/li>\n\n<li>Tips: the choice of temperature (cold\/warm\/hot) is a compromise between the strength of the presses and the accuracy and material phenomena; keep in mind the allowances for subsequent <strong>grinding<\/strong> base areas.<\/li><\/ul><h3 class=\"wp-block-heading\"><strong>Heat treatment<\/strong><\/h3><ul class=\"wp-block-list\"><li>Application: control <strong>hardness<\/strong>\/impact\/abrasiveness.<\/li>\n\n<li>Tips: after <strong>hardening<\/strong> - whenever <strong>forgiveness<\/strong>; uniform heating (counteracting gradients) and consistency of CTP curves are key; <strong>annealing<\/strong> Stress relief after welding\/machining removes stresses prior to the baseline measurement.<\/li><\/ul><h3 class=\"wp-block-heading\"><strong>Sanding and superfinishing<\/strong><\/h3><ul class=\"wp-block-list\"><li>Applications: bearing races, piston rods, guides.<\/li>\n\n<li>Tips: select the abrasive (Al2O3 for carbon steels, SiC for cast iron\/spheroidal cast iron, CBN\/diamond for hardened and carbide); control 'overheating' (burning) by parameters and coolant.<\/li><\/ul><h3 class=\"wp-block-heading\"><strong>Coatings and protection<\/strong><\/h3><ul class=\"wp-block-list\"><li>Application: Corrosion\/tribological resistance.<\/li>\n\n<li>Directions: <strong>chrome plating<\/strong> hard for low friction and protection; in aluminium consider hard anodising; always assess the effect of the coating on tolerance and reference roughness.<\/li><\/ul><h2 class=\"wp-block-heading\">Typical process chains<\/h2><ul class=\"wp-block-list\"><li><strong>Precision machining<\/strong> rotating elements: cutting from a rod \u2192 <strong>CNC turning<\/strong> (bases) \u2192 <strong>hardening<\/strong> induction treadmill \u2192 <strong>grinding<\/strong> shafts \u2192 final measurement.<\/li>\n\n<li>Aluminium machine body: semi-finished milling \u2192 <strong>annealing<\/strong> relaxation \u2192 finishing milling (pockets\/ribs) \u2192 <strong>finishing of holes<\/strong> (reaming) \u2192 hard anodising \u2192 fitting.<\/li>\n\n<li>Sheet metal detail in large series: strip cutting \u2192 <strong>embossing<\/strong> progressive \u2192 <strong>bending<\/strong> final \u2192 vibration deburring \u2192 corrosion protection coating.<\/li><\/ul><h2 class=\"wp-block-heading\">Quality, metrology and manufacturability (DFM)<\/h2><div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-6 wp-block-columns-is-layout-flex\"><div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\"><figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/tarpak.pl\/wp-content\/uploads\/2025\/09\/obrabianie-przedmiotow-metalowych-toczenie-1024x683.jpeg\" alt=\"machining of metal objects - turning\" class=\"wp-image-4623\" srcset=\"https:\/\/tarpak.pl\/wp-content\/uploads\/2025\/09\/obrabianie-przedmiotow-metalowych-toczenie-1024x683.jpeg 1024w, https:\/\/tarpak.pl\/wp-content\/uploads\/2025\/09\/obrabianie-przedmiotow-metalowych-toczenie-300x200.jpeg 300w, https:\/\/tarpak.pl\/wp-content\/uploads\/2025\/09\/obrabianie-przedmiotow-metalowych-toczenie-768x512.jpeg 768w, https:\/\/tarpak.pl\/wp-content\/uploads\/2025\/09\/obrabianie-przedmiotow-metalowych-toczenie-1536x1024.jpeg 1536w, https:\/\/tarpak.pl\/wp-content\/uploads\/2025\/09\/obrabianie-przedmiotow-metalowych-toczenie-18x12.jpeg 18w, https:\/\/tarpak.pl\/wp-content\/uploads\/2025\/09\/obrabianie-przedmiotow-metalowych-toczenie-600x400.jpeg 600w, https:\/\/tarpak.pl\/wp-content\/uploads\/2025\/09\/obrabianie-przedmiotow-metalowych-toczenie.jpeg 1969w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\"><p>There is no good machining without good measurement. In practice, plan your inspection at the operation level (sensors, diamond gauges), after the stage (CMM\/measuring arm) and at the end (SPC report). Remember process bases - design 'to machine' and 'to measure' base surfaces and add allowances under the <strong>grinding<\/strong>. In the DFM, reduce the number of settings (one fixture = one reference), increase the internal radii (less stress on the tool at the <strong>milling<\/strong>), choose the right material for the process (e.g. steel for carburising vs. nitriding). This is often a bigger 'cost lever' than feed rate.<\/p><\/div><\/div><hr class=\"wp-block-separator has-alpha-channel-opacity\"\/><h2 class=\"wp-block-heading\">FAQ - Frequently asked questions and answers<\/h2><h3 class=\"wp-block-heading\"><strong>What are the main categories of metalworking?<\/strong><\/h3><p>The three pillars are: <strong>machining<\/strong> (CNC), <strong>metal forming<\/strong> (rolling, forging, stamping, bending) and <strong>heat treatment of metals<\/strong> (hardening, tempering, annealing). These are often completed by finishing processes (<strong>grinding<\/strong>, coatings).<\/p><h3 class=\"wp-block-heading\"><strong>When to choose embossing over milling?<\/strong><\/h3><p>For high volumes of thin-walled sheet metal parts: the higher tooling costs will pay off with lower unit costs and excellent repeatability <strong>dimensions<\/strong>. For prototypes and small series - <strong>CNC milling<\/strong> will be faster and cheaper to start.<\/p><h3 class=\"wp-block-heading\"><strong>Does heat treatment always increase hardness?<\/strong><\/h3><p>No. <strong>Annealing<\/strong> reduces hardness and stresses, <strong>forgiveness<\/strong> after hardening balances the brittleness and <strong>hardness<\/strong>. The choice of process depends on the target <strong>properties<\/strong> and applications.<\/p><h3 class=\"wp-block-heading\"><strong>How to improve dimensional stability after treatment?<\/strong><\/h3><p>Enter <strong>annealing<\/strong> relax between operations, limit the number of settings (fewer fixings), plan the <strong>grinding<\/strong> end bases and monitor the temperature during the measurements.<\/p><h3 class=\"wp-block-heading\"><strong>What does abrasive machining offer over turning\/milling?<\/strong><\/h3><p>Micrometer control over roughness, waviness and IT6-IT5 tolerances, less risk of 'stepping stones' and higher durability of friction pairs. It is the \"last micrometres\" that often determine the performance of bearings\/seals.<\/p><h3 class=\"wp-block-heading\"><strong>Where to find practical data on CNC capabilities?<\/strong><\/h3><p>In industry guides and on the websites of service providers - e.g. the <a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/tarpak.pl\/en\/oferta\/obrobka-cnc\/\"><u>CNC machining<\/u><\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>Obr\u00f3bka metali to serce nowoczesnej produkcji \u2014 od prototyp\u00f3w po serie przemys\u0142owe. W praktycznym przewodniku pokazuj\u0119, kiedy wybra\u0107 obr\u00f3bk\u0119 skrawaniem metali (CNC: frezowanie, toczenie), a kiedy postawi\u0107 na obr\u00f3bk\u0119 plastyczn\u0105 (t\u0142oczenie, gi\u0119cie) lub obr\u00f3bk\u0119 ciepln\u0105 metali (hartowanie, wy\u017carzanie). Dowiesz si\u0119, jak dobra\u0107 proces technologiczny pod wymagane w\u0142a\u015bciwo\u015bci materia\u0142u, tolerancje i koszty, aby uzyska\u0107 najwy\u017csz\u0105 jako\u015b\u0107 powierzchni i wymiar\u00f3w.<\/p>","protected":false},"author":3,"featured_media":4616,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_bst_post_transparent":"","_bst_post_title":"","_bst_post_layout":"","_bst_post_sidebar_id":"","_bst_post_content_style":"","_bst_post_vertical_padding":"","_bst_post_feature":"","_bst_post_feature_position":"","_bst_post_header":false,"_bst_post_footer":false,"footnotes":""},"categories":[16],"tags":[],"class_list":["post-4612","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-aktualnosci"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Obr\u00f3bka metali: najwa\u017cniejsze techniki i ich zastosowania w przemy\u015ble - TARPAK - Maszyny pakuj\u0105ce | kartoniarki i flowpacki<\/title>\n<meta name=\"description\" content=\"Obr\u00f3bka metali w pigu\u0142ce: skrawanie (CNC), obr\u00f3bka plastyczna i cieplna. Kiedy wybra\u0107 frezowanie, toczenie, t\u0142oczenie, gi\u0119cie i szlifowanie? Praktyczny poradnik.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/tarpak.pl\/en\/obrobka-metali-techniki-i-ich-zastosowanie\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Obr\u00f3bka metali: najwa\u017cniejsze techniki i ich zastosowania w przemy\u015ble - TARPAK - Maszyny pakuj\u0105ce | kartoniarki i flowpacki\" \/>\n<meta property=\"og:description\" content=\"Obr\u00f3bka metali w pigu\u0142ce: skrawanie (CNC), obr\u00f3bka plastyczna i cieplna. Kiedy wybra\u0107 frezowanie, toczenie, t\u0142oczenie, gi\u0119cie i szlifowanie? Praktyczny poradnik.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/tarpak.pl\/en\/obrobka-metali-techniki-i-ich-zastosowanie\/\" \/>\n<meta property=\"og:site_name\" content=\"TARPAK - Maszyny pakuj\u0105ce | kartoniarki i flowpacki\" \/>\n<meta property=\"article:published_time\" content=\"2025-09-12T11:35:59+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-10-09T10:31:29+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/tarpak.pl\/wp-content\/uploads\/2025\/09\/Obrobka-metali-najwazniejsze-techniki-i-ich-zastosowania-w-przemysle-scaled.jpeg\" \/>\n\t<meta property=\"og:image:width\" content=\"2560\" \/>\n\t<meta property=\"og:image:height\" content=\"1350\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Tarpak\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Tarpak\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimated reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"9 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/tarpak.pl\/obrobka-metali-techniki-i-ich-zastosowanie\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/tarpak.pl\/obrobka-metali-techniki-i-ich-zastosowanie\/\"},\"author\":{\"name\":\"Tarpak\",\"@id\":\"https:\/\/tarpak.pl\/#\/schema\/person\/ae50090f1531766b3cae5e966082846c\"},\"headline\":\"Obr\u00f3bka metali: najwa\u017cniejsze techniki i ich zastosowania w przemy\u015ble\",\"datePublished\":\"2025-09-12T11:35:59+00:00\",\"dateModified\":\"2025-10-09T10:31:29+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/tarpak.pl\/obrobka-metali-techniki-i-ich-zastosowanie\/\"},\"wordCount\":1860,\"publisher\":{\"@id\":\"https:\/\/tarpak.pl\/#organization\"},\"image\":{\"@id\":\"https:\/\/tarpak.pl\/obrobka-metali-techniki-i-ich-zastosowanie\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/tarpak.pl\/wp-content\/uploads\/2025\/09\/Obrobka-metali-najwazniejsze-techniki-i-ich-zastosowania-w-przemysle-scaled.jpeg\",\"articleSection\":[\"Aktualno\u015bci\"],\"inLanguage\":\"en-GB\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/tarpak.pl\/obrobka-metali-techniki-i-ich-zastosowanie\/\",\"url\":\"https:\/\/tarpak.pl\/obrobka-metali-techniki-i-ich-zastosowanie\/\",\"name\":\"Obr\u00f3bka metali: najwa\u017cniejsze techniki i ich zastosowania w przemy\u015ble - TARPAK - Maszyny pakuj\u0105ce | kartoniarki i flowpacki\",\"isPartOf\":{\"@id\":\"https:\/\/tarpak.pl\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/tarpak.pl\/obrobka-metali-techniki-i-ich-zastosowanie\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/tarpak.pl\/obrobka-metali-techniki-i-ich-zastosowanie\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/tarpak.pl\/wp-content\/uploads\/2025\/09\/Obrobka-metali-najwazniejsze-techniki-i-ich-zastosowania-w-przemysle-scaled.jpeg\",\"datePublished\":\"2025-09-12T11:35:59+00:00\",\"dateModified\":\"2025-10-09T10:31:29+00:00\",\"description\":\"Obr\u00f3bka metali w pigu\u0142ce: skrawanie (CNC), obr\u00f3bka plastyczna i cieplna. Kiedy wybra\u0107 frezowanie, toczenie, t\u0142oczenie, gi\u0119cie i szlifowanie? Praktyczny poradnik.\",\"breadcrumb\":{\"@id\":\"https:\/\/tarpak.pl\/obrobka-metali-techniki-i-ich-zastosowanie\/#breadcrumb\"},\"inLanguage\":\"en-GB\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/tarpak.pl\/obrobka-metali-techniki-i-ich-zastosowanie\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-GB\",\"@id\":\"https:\/\/tarpak.pl\/obrobka-metali-techniki-i-ich-zastosowanie\/#primaryimage\",\"url\":\"https:\/\/tarpak.pl\/wp-content\/uploads\/2025\/09\/Obrobka-metali-najwazniejsze-techniki-i-ich-zastosowania-w-przemysle-scaled.jpeg\",\"contentUrl\":\"https:\/\/tarpak.pl\/wp-content\/uploads\/2025\/09\/Obrobka-metali-najwazniejsze-techniki-i-ich-zastosowania-w-przemysle-scaled.jpeg\",\"width\":2560,\"height\":1350,\"caption\":\"Obr\u00f3bka metali najwa\u017cniejsze techniki i ich zastosowania w przemy\u015ble\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/tarpak.pl\/obrobka-metali-techniki-i-ich-zastosowanie\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Strona g\u0142\u00f3wna\",\"item\":\"https:\/\/tarpak.pl\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Obr\u00f3bka metali: najwa\u017cniejsze techniki i ich zastosowania w przemy\u015ble\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/tarpak.pl\/#website\",\"url\":\"https:\/\/tarpak.pl\/\",\"name\":\"TARPAK - Maszyny pakuj\u0105ce | kartoniarki i flowpacki\",\"description\":\"Maszyny pakuj\u0105ce | kartoniarki i flowpacki\",\"publisher\":{\"@id\":\"https:\/\/tarpak.pl\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/tarpak.pl\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-GB\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/tarpak.pl\/#organization\",\"name\":\"TARPAK - Maszyny pakuj\u0105ce | kartoniarki i flowpacki\",\"url\":\"https:\/\/tarpak.pl\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-GB\",\"@id\":\"https:\/\/tarpak.pl\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/tarpak.pl\/wp-content\/uploads\/2024\/10\/logo-main-2.png\",\"contentUrl\":\"https:\/\/tarpak.pl\/wp-content\/uploads\/2024\/10\/logo-main-2.png\",\"width\":140,\"height\":47,\"caption\":\"TARPAK - Maszyny pakuj\u0105ce | kartoniarki i flowpacki\"},\"image\":{\"@id\":\"https:\/\/tarpak.pl\/#\/schema\/logo\/image\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\/\/tarpak.pl\/#\/schema\/person\/ae50090f1531766b3cae5e966082846c\",\"name\":\"Tarpak\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Metalworking: key techniques and their applications in industry - TARPAK - Packaging machines | cartoners and flowpacks","description":"Metalworking in a nutshell: cutting (CNC), forming and heat treatment. When to choose milling, turning, stamping, bending and grinding? A practical guide.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/tarpak.pl\/en\/obrobka-metali-techniki-i-ich-zastosowanie\/","og_locale":"en_GB","og_type":"article","og_title":"Obr\u00f3bka metali: najwa\u017cniejsze techniki i ich zastosowania w przemy\u015ble - TARPAK - Maszyny pakuj\u0105ce | kartoniarki i flowpacki","og_description":"Obr\u00f3bka metali w pigu\u0142ce: skrawanie (CNC), obr\u00f3bka plastyczna i cieplna. Kiedy wybra\u0107 frezowanie, toczenie, t\u0142oczenie, gi\u0119cie i szlifowanie? Praktyczny poradnik.","og_url":"https:\/\/tarpak.pl\/en\/obrobka-metali-techniki-i-ich-zastosowanie\/","og_site_name":"TARPAK - Maszyny pakuj\u0105ce | kartoniarki i flowpacki","article_published_time":"2025-09-12T11:35:59+00:00","article_modified_time":"2025-10-09T10:31:29+00:00","og_image":[{"width":2560,"height":1350,"url":"https:\/\/tarpak.pl\/wp-content\/uploads\/2025\/09\/Obrobka-metali-najwazniejsze-techniki-i-ich-zastosowania-w-przemysle-scaled.jpeg","type":"image\/jpeg"}],"author":"Tarpak","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Tarpak","Estimated reading time":"9 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/tarpak.pl\/obrobka-metali-techniki-i-ich-zastosowanie\/#article","isPartOf":{"@id":"https:\/\/tarpak.pl\/obrobka-metali-techniki-i-ich-zastosowanie\/"},"author":{"name":"Tarpak","@id":"https:\/\/tarpak.pl\/#\/schema\/person\/ae50090f1531766b3cae5e966082846c"},"headline":"Obr\u00f3bka metali: najwa\u017cniejsze techniki i ich zastosowania w przemy\u015ble","datePublished":"2025-09-12T11:35:59+00:00","dateModified":"2025-10-09T10:31:29+00:00","mainEntityOfPage":{"@id":"https:\/\/tarpak.pl\/obrobka-metali-techniki-i-ich-zastosowanie\/"},"wordCount":1860,"publisher":{"@id":"https:\/\/tarpak.pl\/#organization"},"image":{"@id":"https:\/\/tarpak.pl\/obrobka-metali-techniki-i-ich-zastosowanie\/#primaryimage"},"thumbnailUrl":"https:\/\/tarpak.pl\/wp-content\/uploads\/2025\/09\/Obrobka-metali-najwazniejsze-techniki-i-ich-zastosowania-w-przemysle-scaled.jpeg","articleSection":["Aktualno\u015bci"],"inLanguage":"en-GB"},{"@type":"WebPage","@id":"https:\/\/tarpak.pl\/obrobka-metali-techniki-i-ich-zastosowanie\/","url":"https:\/\/tarpak.pl\/obrobka-metali-techniki-i-ich-zastosowanie\/","name":"Metalworking: key techniques and their applications in industry - TARPAK - Packaging machines | cartoners and flowpacks","isPartOf":{"@id":"https:\/\/tarpak.pl\/#website"},"primaryImageOfPage":{"@id":"https:\/\/tarpak.pl\/obrobka-metali-techniki-i-ich-zastosowanie\/#primaryimage"},"image":{"@id":"https:\/\/tarpak.pl\/obrobka-metali-techniki-i-ich-zastosowanie\/#primaryimage"},"thumbnailUrl":"https:\/\/tarpak.pl\/wp-content\/uploads\/2025\/09\/Obrobka-metali-najwazniejsze-techniki-i-ich-zastosowania-w-przemysle-scaled.jpeg","datePublished":"2025-09-12T11:35:59+00:00","dateModified":"2025-10-09T10:31:29+00:00","description":"Metalworking in a nutshell: cutting (CNC), forming and heat treatment. When to choose milling, turning, stamping, bending and grinding? A practical guide.","breadcrumb":{"@id":"https:\/\/tarpak.pl\/obrobka-metali-techniki-i-ich-zastosowanie\/#breadcrumb"},"inLanguage":"en-GB","potentialAction":[{"@type":"ReadAction","target":["https:\/\/tarpak.pl\/obrobka-metali-techniki-i-ich-zastosowanie\/"]}]},{"@type":"ImageObject","inLanguage":"en-GB","@id":"https:\/\/tarpak.pl\/obrobka-metali-techniki-i-ich-zastosowanie\/#primaryimage","url":"https:\/\/tarpak.pl\/wp-content\/uploads\/2025\/09\/Obrobka-metali-najwazniejsze-techniki-i-ich-zastosowania-w-przemysle-scaled.jpeg","contentUrl":"https:\/\/tarpak.pl\/wp-content\/uploads\/2025\/09\/Obrobka-metali-najwazniejsze-techniki-i-ich-zastosowania-w-przemysle-scaled.jpeg","width":2560,"height":1350,"caption":"Obr\u00f3bka metali najwa\u017cniejsze techniki i ich zastosowania w przemy\u015ble"},{"@type":"BreadcrumbList","@id":"https:\/\/tarpak.pl\/obrobka-metali-techniki-i-ich-zastosowanie\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Strona g\u0142\u00f3wna","item":"https:\/\/tarpak.pl\/"},{"@type":"ListItem","position":2,"name":"Obr\u00f3bka metali: najwa\u017cniejsze techniki i ich zastosowania w przemy\u015ble"}]},{"@type":"WebSite","@id":"https:\/\/tarpak.pl\/#website","url":"https:\/\/tarpak.pl\/","name":"TARPAK - Packaging machines | cartoners and flowpacks","description":"Packaging machines | cartoners and flowpacks","publisher":{"@id":"https:\/\/tarpak.pl\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/tarpak.pl\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-GB"},{"@type":"Organization","@id":"https:\/\/tarpak.pl\/#organization","name":"TARPAK - Packaging machines | cartoners and flowpacks","url":"https:\/\/tarpak.pl\/","logo":{"@type":"ImageObject","inLanguage":"en-GB","@id":"https:\/\/tarpak.pl\/#\/schema\/logo\/image\/","url":"https:\/\/tarpak.pl\/wp-content\/uploads\/2024\/10\/logo-main-2.png","contentUrl":"https:\/\/tarpak.pl\/wp-content\/uploads\/2024\/10\/logo-main-2.png","width":140,"height":47,"caption":"TARPAK - Maszyny pakuj\u0105ce | kartoniarki i flowpacki"},"image":{"@id":"https:\/\/tarpak.pl\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/tarpak.pl\/#\/schema\/person\/ae50090f1531766b3cae5e966082846c","name":"Tarpak"}]}},"_links":{"self":[{"href":"https:\/\/tarpak.pl\/en\/wp-json\/wp\/v2\/posts\/4612"}],"collection":[{"href":"https:\/\/tarpak.pl\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tarpak.pl\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tarpak.pl\/en\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/tarpak.pl\/en\/wp-json\/wp\/v2\/comments?post=4612"}],"version-history":[{"count":0,"href":"https:\/\/tarpak.pl\/en\/wp-json\/wp\/v2\/posts\/4612\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tarpak.pl\/en\/wp-json\/wp\/v2\/media\/4616"}],"wp:attachment":[{"href":"https:\/\/tarpak.pl\/en\/wp-json\/wp\/v2\/media?parent=4612"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tarpak.pl\/en\/wp-json\/wp\/v2\/categories?post=4612"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tarpak.pl\/en\/wp-json\/wp\/v2\/tags?post=4612"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}