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Manufacturer of precision CNC milled parts
SCZY LTD, as a provider of precision CNC machining solutions, leverages over 30 CNC turning and milling composite machines to meet OEM/ODM customization needs with varying minimum order quantities (MOQ). We offer fast quoting, sample production, and first article inspection (FAI). Our core services include 3/4/5-axis CNC turning and milling composite machining, capable of completing complex part machining tasks such as slot milling, drilling, reaming, boring, tapping, and internal/external cylindrical turning in a single operation. Processing capabilities cover precision rotating parts with diameters ranging from 2 to 450 mm and lengths up to 1,000 mm. Regardless of material type—including aluminum alloy, copper, stainless steel, titanium alloy, or engineering plastics—we achieve micron-level dimensional control (±0.01 mm).
CNC Mill-Turn Center
CNC Mill-Turn Center is the only machining equipment that can complete all the cutting steps in one clamping, 9-axis linkage cutting, curved contour cutting can be turned with milling (turning instead of milling) is more than 2 times the efficiency of 5-axis milling, up to three cutting tools at the same time cutting, man-hours saved>200%, cutting accuracy <0.003mm, at the same time, with the turning gear processing / Internal and external cylindrical grinding. It is a favorable tool for the processing of transmission shaft parts and polyhedral parts with high precision and complex structure.
case
- Heavy Duty Gear Shafts
- Flow control valve body
- Helicopter crankshaft
- camshafts
Swiss Turning Machining
Swiss turning is synonymous with micro-precision parts, originating from the Swiss watch and instrument industry precision tiny parts production process, suitable for instrumentation, medical, electrical, electronic, micro-motor shafts and other micro-precision parts cutting turning processing, need to turn and milling precision small shaft parts to complete all machining at once.
With a diameter of 0.20~20mm and a minimum tolerance control capability of ±0.002mm, we can satisfy your ordering needs from a few samples for trial production to a million pieces for mass production.
CNC Turning
4-axis turret CNC turning tools with low interference, support axial end face and warp simple geometry milling, machining limitations are small is the main production equipment for CNC turning parts, is the optical / fluid control / transportation / transmission parts and other industries parts one of the main production equipment.
Available in diameters ranging from 10~420mm, with a minimum tolerance control capability of ±0.003mm, you can order on-demand from design verification/pilot production/mass production with no MOQ requirements.
3 Axes CNC Gang Tool Lathe
For the tool – arrangement lathe, the tool – replacement efficiency is high, the speed is fast, the tool capacity is small, and it has no milling capacity. It is suitable for cutting lightweight parts with simple structures. The processing efficiency for copper, aluminum, and plastic materials is remarkable. It is mainly used in the machining and manufacturing of CNC turning parts in industries such as consumer electronics, electrical, and communications.
This type of CNC turning equipment has processing – capacity limitations. The diameter ranges from 5 to 40mm, the length is ≤ 60mm, and the smallest tolerance control capacity is ± 0.01mm
| Metric units | Imperial units | |
|---|---|---|
|
Linear Dimension |
±0.025 mm |
±0.001 in. |
|
Shaft Diameters |
±0.02 mm |
±0.0008 in. |
|
Hole Diameters (Not Reamed) |
±0.02 mm |
±0.0008 in. |
|
Tolerances |
±0.01 mm |
±0.0004 in. |
CNC Turning Parts Gallery
Large or small workpieces with machinable lengths and widths of 1–2000 mm. SCZY LTD can also provide surface treatment and assembly services upon request.
CNC Turning Surface Treatment
We offer a one-stop, high-quality surface treatment solution that covers a wide range of processes, including sandblasting, anodizing, electroplating, electrophoretic coating, baking, chemical conversion coating, passivation, polishing, blackening, and QBQ protection, to precisely meet the stringent requirements of different industries. Each processing technique is accompanied by professional testing services. We provide detailed film thickness data, hardness test reports, precise color parameters, corrosion-resistant salt spray test results, and authoritative adhesion test reports. These scientific data ensure processing quality, endowing your products with exceptional protective performance and aesthetic appeal, while comprehensively guaranteeing reliability and stability.
Standard (As-Machined)
This finish refers to parts just after the machining process, sometimes followed by minor grinding. It contains tool marks, small burrs & chips, but provides tight tolerances. The roughness can be as low as 3.2 μm. This finish is suitable when aesthetics is not a requirement.
Bead Blasting
Bead blasting strikes the tiny glass, ceramic, or other beads on the machined surface at high pressure to remove tool marks, burrs, chips, and other surface irregularities. It produces a light and smoothie texture with an attractive appearance.
Anodized (Type II Or Type III)
The CNC-machined aluminum or non-ferrous parts can be anodized, which refers to adding and protective oxide layer on their surface. Type II is clear and color anodizing, whereas type III (MIL-A-8625/MIL-PRF-8625) refers to hard coating. Anodized surfaces resist harsh environments and save the parts from corrosion, wear, and surface degradation.
Powder coating
It is the electrostatic deposition of a thin powder layer(powder of epoxy, polyester, etc) and curing at high temperature, up to 400. Powder coat surfaces are highly corrosion-resistant and can be achieved in any color. It is applicable to all material-type machine parts with complex geometries.
Polishing
Polishing can be applied through electrochemical and mechanical methods. It produces a smooth and fine, mirror-like finish with Ra as low as 0.3 μm. This surface finish is preferred for machined parts if low-surface friction is essential for performance or aesthetics is important.
Black-Oxide
Black oxide is a surface treatment for ferrous materials that creates a sleek black appearance and offers mild corrosion resistance. It chemically converts the metal surface into an oxide layer, preserving tight tolerances. This finish is ideal for precision components where a low-reflective, durable surface is desired.
CNC Turning Machining Materials
SCZY LTD utilizes advanced five-axis CNC technology to specialize in the machining of metals such as aluminum alloy, brass, and titanium alloy, as well as engineering plastics like ABS and POM. Our customization services offer precision and reliability with a tolerance of ±0.01mm, providing precision parts for industries including aerospace, medical, and automation. Five-axis interpolation enables complex surfaces to be formed in a single operation, reducing setup times and achieving surface finish as fine as Ra ≤ 0.8 μm. From prototyping to small-to-medium-volume production, comprehensive quality control throughout the entire process ensures efficient and reliable delivery.
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Aluminum $High machinability and ductility, good strength-to-weight ratio. Aluminum alloys have good strength-to-weight ratio, high thermal and electrical conductivity, low density and natural corrosion resistance. Can be anodized.
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Stainless steel $$$High tensile strength, corrosion and temperature resistant. Stainless steel alloys have high strength, ductility, wear and corrosion resistance. They can be easily welded, machined and polished.
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Mild steel $High machinability and weldability, high stiffness. Mild steels are low-carbon metal alloys offering good mechanical properties, machinability and weldability at low cost. Can be carburized to increased hardness.
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Copper $$$Excellent thermal and electrical conductivity Copper offers excellent thermal and electrical conductivity, it's often used for busbars, wire connectors, and other electrical applications. Copper has a glossy reddish-orange appearance.
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Titanium $$$Excellent strength to weight ratio, used in aerospace, automotive and medical industries. Titanium is a metal with excellent strength-to-weight ratio, low thermal expansion and high corrosion resistance that is sterilizable and biocompatible.
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Tool steel $$$Tool steel has high hardness and can maintain high hardness and red hardness at high temperatures, as well as high wear resistance and appropriate toughness. Tool steel is generally divided into carbon tool steel, alloy tool steel and high-speed tool steel.
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Superalloy $$$Superalloys have excellent high-temperature strength, good oxidation resistance and hot corrosion resistance, good fatigue properties, fracture toughness and other comprehensive properties, and are mainly used in the aerospace and energy fields.
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Brass $$$Brass has strong wear resistance, high strength and hardness, and strong resistance to chemical corrosion. Brass is often used to make wear-resistant parts such as valves and watch movements.
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Alloy steel $$Alloy steel has special properties such as high strength, high toughness, wear resistance, corrosion resistance, low temperature resistance, high temperature resistance, and magnetism.
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Plastics $Engineering plastics have excellent comprehensive properties, such as high rigidity, low creep, high mechanical strength, good heat resistance, and good electrical insulation. They can be used in harsh chemical and physical environments for a long time and can replace metals as engineering structural materials.
SCZY LTD integrated production capacity
A wealth of manufacturing processes and capable capabilities to meet your production needs help streamline your supply chain and enable “one-stop” ordering for your entire project.
5-axis machining
CNC Milling
Horizontal CNC Milling Machine
CNC turning
Die Casting
Aluminum Casting
Silicone Casting
Forging
Swiss Turning
CNC Milling and Turning
Prototype design
Gear processing
Knurling
Heat Treatment
Masking & Hole Plugging
Grinding
CNC Milling and Turning
5-Axis Processing
Quality Control
Surface Finishing
Extensive Industry Experience
SCZY LTD is an experienced custom machined parts manufacturer that produces parts to serve companies in 20+ countries around the world in the areas of microlight infrared, photoelectric rangefinders, aircraft seats, avionics, high-speed rail communications, new energy vehicles, oil & gas electronic valve bodies, pneumatic & hydraulic solenoid valves, high-speed turbine blowers, turbine water pumps, medical testing equipment, semiconductor and automation manufacturing, smart agriculture, and smart home appliances, Smart Wearable. According to the technical characteristics of parts processing in different industries, we are divided into 5 manufacturing divisions, namely Optics, Fluid Control, Transportation, Intelligent Manufacturing, and 5G Life, to match your needs with professional technology and production services, and to customize the best manufacturing solutions according to your needs.
Automotive
Robotics
Energy
Medical Equipment
Optical Lens
Aerospace
CNC Turning Services FAQ
Browse our turning services FAQ to learn more about our 5 turning services and how we can support your manufacturing needs.
We can process aluminum alloys, copper alloys, various types of stainless steel, titanium alloys, carbon steel, and other metal materials, as well as engineering plastics such as ABS, POM, and nylon. Different materials require corresponding tools and parameters.
Generally, the diameter tolerance can be controlled within ±0.01 mm, and the length tolerance can reach ±0.02 mm. In terms of surface roughness, aluminum alloy can achieve Ra≤0.4 μm, and most materials can achieve Ra≤0.8 μm.
Minimum order quantity for sample production is 1 piece. For small to medium batches, the minimum order quantity is typically 50–100 pieces. SCZY LTD can provide customized services for orders ranging from 1 to 5,000 pieces.
SCZY LTD's CNC turning services cover more than 20 countries worldwide, including Asia (China, Japan, South Korea, Southeast Asia), Europe (UK, Germany, France, etc.), and the Americas (US, Canada), and we partner with DHL and FedEx to provide 48-hour express delivery.
Turning involves rotating the workpiece and moving the tool in a straight line to machine rotary parts; milling involves rotating the tool and moving the workpiece, which is suitable for machining flat surfaces, cavities, etc. Turning and milling composite equipment can perform both functions.
Material costs (e.g., expensive titanium alloys), process complexity (high costs for multi-step shafts), precision requirements (high costs for high precision), and batch size (low unit prices for large batches) all affect the cost of turning.
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