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The extremely high level of precision needed within the aerospace industry makes CNC machining a suitable manufacturing process for the sector.
This article provides you with a complete guide to aerospace machining and its importance.
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If you want to produce high-quality machined parts with a sleek appearance, it’s essential to consider some critical factors related to CNC machining.
Here, we’ve gathered some basic information and important considerations to help you achieve the desired results.
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An alloy made up primarily of iron and carbon, steel is known for its high tensile strength and low costs. The combination of these characteristics has made it a ubiquitous material in the construction, infrastructure, automotive, maritime, tooling, manufacturing and defense industries, among others.
Features | Info | ||||
Subtypes | 4140, 4130, A514, 4340 | ||||
Process | CNC machining, injection molding, sheet metal fabrication | ||||
Tolerance | With drawing: as low as +/- 0.005 mm No drawing: ISO 2768 medium | ||||
Applications | Fixtures and mounting plates; draft shafts, axles, torsion bars | ||||
Finishing Options | Black Oxide, ENP, Electropolishing, Media Blasting, Nickel Plating, Powder Coating, Tumble Polishing, Zinc Plating |
Subtypes | Yield Strength | Elongation at Break | Hardness | Density |
1018 Low Carbon Steel | 60,000 psi | 15% | Rockwell B90 | 7.87 g/㎤ 0.284 lbs / cu. in. |
4140 Steel | 60,000 psi | 21% | Rockwell C15 | 7.87 g/㎤ 0.284 lbs / cu. in. |
1045 Carbon Steel | 77,000 psi | 19% | Rockwell B90 | 7.87 g/㎤ 0.284 lbs / cu. in. |
4130 Steel | 122,000 psi | 13% | Rockwell C20 | 7.87 g/㎤ 0.284 lbs / cu. in. |
A514 Steel | 100,000 psi | 18% | Rockwell C20 | 7.87 g/㎤ 0.284 lbs / cu. in. |
4340 Steel | 122,000 psi | 13% | Rockwell C20 | 7.87 g/㎤ 0.284 lbs / cu. in. |
Name | Description | Materials | Color | Texture | Link | |
| Powder Coating | Powder coating is a type of coating that is applied as a free-flowing, dry powder. Unlike conventional liquid paint which is delivered via an evaporating solvent, powder coating is typically applied electrostatically and then cured under heat or with ultraviolet light. | Aluminum | Black, any RAL code or Pantone number | Gloss or semi-gloss | |
| Electroplating | Electroplated coating preserves the surface of parts and resists rusts and other defects from causing decay by applying electric currents to reduce metal cations. | Aluminum, steel, stainless steel | n/a | Gloss or semi-gloss | |
| Polishing | Ranging from Ra 0.8~Ra0.1, polishing processes use an abrasive material to rub the part’s surface to make the shine more less shiny, depending on your requirements. | All materials | n/a | Smooth, glossy finish | |
| Painting | Painting involves spraying a layer of paint onto the surface of the part. Colors can be matched to a Pantone color number of the customer’s choosing, while finishes range from matte to gloss to metallic. | Aluminum, Stainless Steel, Steel | Custom | Gloss, semi-gloss, flat, metallic, textured |
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Copyright © 2023 Shenzhen Rapid Direct Co., Ltd. All rights reserved.