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Turning/Milling/CNC Machined Parts

Puwin is an expert in manufacturing engineering components with high-quality requirements which has small, tight dimensional tolerance. 

We started to develop high standard steel and stainless steel parts from 2004. We have set an individual CNC machining workshop equipped with middle-class CNC machining center and CNC fixed head lathes, also equipped with 150 sets of economical CNC lathes, which are very suitable for brass parts. 

    What is our advantage on precision machining parts?

    ★ Our workshop has obtained with Aerospace Quality Management Systems AS9100 certification, which enable us to provide high standard products with good quality control. We have been supplying precision machining parts to many industries, the parts are manufactured to tight tolerance and specified requirements, ensuring high accuracy, consistency and reliability in their performance. 
    ★ We are flexible with small batch quantity and high variety, minimum batch quantity could be 1 piece. 
    ★ Produce the quality steel parts and stainless steel turned parts at competitive cost. 
    ★ Large machining. We have OKUMA and SNK CNC Gantry (bridge) machining center size 9000x4650x1200, enable us to make big parts up to 1000mm. 
    High Precision Turning&Milling parts (1)
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    High Precision Turning&Milling parts (3)

    What material can we produce?

    ★ Brass
    ★ Stainless Steel
    ★ Alloy Steel
    ★ Carbon Steel
    ★ Steel
    ★ Titanium Alloy
    ★ Aluminium
    ★ Plastic

    specification

    Our CNC machining production range: 

    Diameter Maximum 200mm
    Machining accuracy for diameter 0.01mm
    Length Maximum 500mm
    Machining accuracy for length 0.02mm
    Best machining roughness Ra0.8
    Material type Steel and stainless steel bar, tube, casting and forging blank

    Our economical CNC lathe production range:

    Diameter Maximum 100mm
    Machining accuracy for diameter 0.02mm
    Length Maximum 200mm
    Machining accuracy for length 0.02mm
    Best machining roughness Ra0.8 for brass,Ra1.6 for steel and stainless steel
    Material type Brass and aluminum forging casting, sold bar and tube

    Application Fields of precision machining parts

    Aerospace - Precision parts are widely used in aircraft engines and avionics systems, to ensure the reliability and performance of the aircraft. For example, turbine blades, engine shafts, and aircraft structural components. 
    Automotive -In automotive industry, precision machining parts are mainly used in engines, transmissions, and braking systems. For example, piston rings, crankshafts, and camshafts. 
    General mechanical parts include many types. For example Connecting parts, Pins, Transmission Parts, Shaft system parts, Hydraulic cylinders and pistons
    Connecting parts:  like Bolts, Nuts, Screws are used to connect and fix mechanical parts.
    ★ Pins can be used for positioning, connection or as a safety device. 
    ★ Transmission Parts: like Gears, Drive components can transmit power and motion through meshing. 
    ★ Shaft system parts: For example Shafts, Bearings, couplings
    ★ Hydraulic cylinders and pistons: In the hydraulic system, they are used to covert hydraulic energy into mechanical energy. 

    detail pictures

    High Precision Turning&Milling parts (4)
    High Precision Turning&Milling parts (5)
    High Precision Turning&Milling parts (6)
    High Precision Turning&Milling parts (7)
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    High Precision Turning&Milling parts (9)