Mach Prototype provide high quality CNC turning services. Without additional finish services, we can achieve tolerance as tight as +-0.005 mm and Ra 0.4 surface roughness. Simple parts are as fast as 1 day to be produced.
ABS is strong, durable, and offers good resistance to heat and impact. It’s preferred for automotive components and consumer goods.
POM (Delrin) has low friction, excellent rigidity and dimensional stability. It is widely used for gears, sliding parts and precision mechanical fittings.
Polycarbonate features high impact strength, transparency and heat resistance. Suitable for transparent protective covers, impact‑resistant housings and optical parts.
PA6 Nylon comes with good wear‑resistance, self‑lubrication and toughness. Common applications include bushings, rollers and mechanical wear parts.
PEEK is a high‑performance engineering plastic, capable of working under high temperature, heavy load and chemical corrosion. Used for medical, aerospace and high‑temperature resistant components.
PMMA (Acrylic) boasts high light transmittance, easy polishing and good rigidity. Great for transparent panels, display windows and decorative parts.
HDPE is lightweight, impact‑resistant and chemical‑inert. Suitable for corrosion‑resistant trays, insulating components and food‑safe custom parts.
PP polypropylene has good toughness and acid‑alkali resistance, with low material cost. It is widely machined for light‑duty containers and chemical resistant parts.
PVC provides great chemical stability and insulation performance. Mainly used for anti‑corrosion structural parts and electrical insulating components.
PET has excellent rigidity, low friction and good dimensional stability. Suitable for precision fixtures, wear‑resistant sliders and food‑contact mechanical parts.
Aluminum is lightweight yet strong, with excellent machinability and corrosion resistance. Ideal for aerospace and automotive parts.
6061,6061‑T6, 2024, 5052, 5083, 6063, 6082, 7075,7075‑T6, ADC12 (A380)
Copper delivers exceptional electrical and thermal conductivity. Easy to machine, suitable for heat sinks, conductive terminals and thermal management components.
C11000 Pure Copper, C101 Oxygen‑Free Copper
Brass features great machinability, good wear resistance and natural anti‑tarnish properties. Perfect for fittings, fasteners, valve bodies and decorative hardware.
C3604, C26000, H59, H62
Bronze offers outstanding wear resistance, high compressive strength and anti‑friction performance. Widely used for bearings, bushings, gears and heavy‑load sliding components.
C93200 SAE660, Phosphor Bronze CuSn10
Carbon steel has high tensile strength and good rigidity at a low cost. It works well for shafts, brackets, fixtures, gears and heavy‑duty mechanical structures.
C45, 1045, A36, Q235
Stainless steel provides superior rust and chemical corrosion resistance while maintaining good mechanical strength. Suitable for food‑safe, marine, medical and outdoor‑use parts.
304, 316L(1.4404), 303, 430, 17‑4 PH
Titanium combines ultra‑low density, high tensile strength and excellent corrosion resistance. It is widely machined for medical implants, aerospace parts and high‑end lightweight assemblies.
Magnesium is one of the lightest structural metals, with high strength‑to‑weight ratio and good CNC machinability. Preferred for lightweight automation equipment and aerospace components.
AZ31B, AZ91D
Hastelloy is a nickel‑based superalloy with exceptional resistance to severe chemical corrosion, high‑temperature oxidation and acid environments. It performs reliably under extreme heat and harsh corrosive media.
Hastelloy C‑276, Hastelloy C‑22, Hastelloy B2
Inconel is a premium nickel‑chromium superalloy that retains high strength and oxidation resistance at elevated temperatures. It maintains stable mechanical properties under thermal cycling and harsh operating conditions.
Inconel 718, Inconel 625, Inconel 600
Retains visible tool marks from CNC cutting. Cost‑effective for non‑visible functional surfaces with no strict cosmetic requirements. Standard surface roughness Ra 1.6‑6.3μm.
An electrolytic conversion coating primarily for aluminum parts. It builds a hard, durable oxide layer to boost wear and corrosion resistance, and supports custom color options.
Mechanical polishing removes surface imperfections to deliver a smooth, high‑gloss surface. It lowers surface roughness and significantly improves the visual quality of metal components.
Pressurized abrasive media strikes the workpiece to form an even, fine matte texture. It eliminates tool scratches and creates an ideal base for subsequent painting or coating.
Parts rotate inside a barrel with abrasive media. This mass‑finishing process removes sharp burrs and softens edges for small‑size workpieces with uniform subtle texture.
An electrochemical smoothing treatment that dissolves tiny surface peaks. It brightens metal surfaces, reduces micro‑roughness and delivers better corrosion performance.
A chemical conversion finish for aluminium substrates. It provides reliable corrosion protection and greatly improves bonding strength for paints and adhesives.
Controlled heating and cooling modifies internal metal microstructure. It precisely adjusts mechanical properties including hardness, tensile strength and material ductility.
Linear unidirectional grinding creates a subtle satin grain texture. This decorative finish hides minor surface flaws and delivers a premium metallic appearance.
A low‑thickness chemical conversion coating for ferrous metals. It creates a matte black finish for anti‑glare purposes and offers moderate corrosion protection.
A thin metallic layer (nickel, chrome, zinc etc.) is chemically deposited on component surfaces. It enhances hardness, anti‑corrosion performance and surface conductivity.
Mach Prototype delivers professional CNC‑turning manufacturing services for diverse industries, producing high‑precision custom rotational parts from rapid prototypes to low‑volume production.
Our engineering team fully understands industry‑specific technical requirements, ranging from aerospace rotary fittings, medical components and automotive shafts to automation machinery. We provide optimized machining solutions balancing performance, manufacturability and production cost.
All CNC‑turned rotational components are produced with guaranteed dimensional precision and uniform surface finish. Our advanced turning equipment enables stringent tolerance control and adjustable surface roughness, complying with prototype and serial‑production technical requirements for both metallic and engineering‑plastic parts.
| Parameter | Specification |
|---|---|
| Maximum Machining Size | 2800 mm * Diameter 3000 mm |
| Smallest Machinable Feature | 0.1 mm |
| Standard Dimensional Tolerance | ±0.02 mm |
| High‑precision Tolerance | ±0.005 mm |
| As‑Milled Surface Roughness | Ra 0.4 ~ 3.2 μm |
| Polished Surface Roughness | Ra 0.1 ~ 0.4 μm |
Well‑optimized rotational part designs reduce machining difficulty, shorten lead‑time and control manufacturing costs. Here are practical design guidelines to help you create print‑ready drawings suitable for CNC turning.
CNC turning is a subtractive manufacturing process that removes material from rotating solid workpieces using stationary cutting tools. Controlled by pre‑programmed CAD files, it delivers high‑accuracy custom rotary parts in metal, plastic and composite materials for prototypes and low‑volume production.
The machine follows G‑code instructions generated from your 3D model. The spindle spins the workpiece at high speed, while fixed cutting tools traverse along X/Z axes to strip away excess stock and reproduce the exact rotary geometry of your design. Chucks and fixtures clamp the workpiece firmly to maintain dimensional stability throughout machining.
CNC turning achieves tight consistent tolerances, making it ideal for precision‑critical rotary functional parts and mating assemblies.
Works with a wide selection of metals (aluminum, steel, brass) and engineering plastics to match your project requirements for shafts, sleeves and other rotational components.
Capable of diverse rotational geometries from your CAD files. Turning‑milling composite machines also support secondary features such as flats, holes and keyways for complex rotary‑style component designs.
No expensive custom moulds required. Quick production runs support prototype validation and small‑batch manufacturing of rotary parts.
