OEM Custom Precision Plastic Aluminum Steel Metal CNC Manufactured Products for Automobile Embroidery Machine Battery Bike Bicycle Spare Parts

Product Description

Product Description

1.Industrial

3 4 5 Axis CNC Precision Machining / Stainless Steel/Aluminum Non-Standard Custom Parts /Tolerance +0.002 mm for Automation Equipment & Robotic Automobile Medical Aerospace Electronics Semiconductor Industry Machinery Manufacturering.  
2..Capabilities
Print-to-Part: Support CAD/STEP/PDF files. 3D models not mandatory.
Low Volume Accepted: Prototyping from 1 piece. First-article full inspection.
Complex Geometry: Deep holes, threads, curved surfaces, thin walls, cross holes.
Special Properties: Non-magnetic, high-temperature resistance, conductive/insulating available.
3. Quality Control
100% in-process inspection + CMM/optical comparator full dimension report. Key dimensions CPK ≥ 1.33.
 Optional Docs: Material certificates, heat treatment curves, salt spray test reports.Full Size Dimension report 
4. Workflow
24h Quote → Drawing Review → Sampling → Pilot Run → Mass Production
5. Case Studies & Capability
 Served industries: Medical (surgical tools), Robotics (joint arms), Semiconductor (chamber parts).
 Capability range: Min feature 0.5mm / (0.02)", Max machining envelope 1200×800mm / 47"×31".
6. Call to Action
Upload your drawing or mark critical dimensions. DFM feedback within 12 hours.

7.We provide a free engineering drawing review service. After receiving your DWG/PDF/STEP files, we will conduct a feasibility analysis within 2 hours. Even if your drawing has overly tight tolerances or structural issues, we will prioritize providing DFM (Design for Manufacturing) feedback to ensure first-article quality.

8. Breaking the Unreliable Lead Time Stereotype for Custom Parts:
In the machining industry, on-time delivery is a top concern. Our ERP system covers the entire process from material preparation to shipment. For urgent custom parts, we support 72-hour rapid prototyping. For batch orders, dedicated production trackers monitor progress at every stage.

9. Solving the "Trust Crisis" for Overseas Purchasing:
Each shipment will include an FAIR (First Article Inspection Report) and material certificates. We support on-site inspections by third-party agencies (e.g., SGS/BV/TUV) and offer shipping insurance – addressing all your concerns.

10. QC (Quality Control): IQC (Incoming Quality Control) → IPQC (In-Process Quality Control) → OQC (Outgoing Quality Control).11 We follow ISO9001:2015 quality system standards to regulate our production process and provide full-dimensional inspection reports.

12.Packaging & Shipping: Standard export wooden cases / anti-rust oil + bubble wrap packaging.
13. Lead Time: 3-7 days for samples, typically 15-25 days for batch orders.
14. Trade Terms: EXW, FOB, CIF (all available)

Specification

Parameter	Specification / Capability
Max. Turning Diameter	0.5 mm - 200 mm (0.02" - 8")
Max. Turning Length	Single clamping: 600 mm (24"); Multiple clamping: 1000 mm (39")
Tolerance Capability	Standard: 0.01 mm (0.0004"); Precision: 0.002 mm (0.00008" / 2 um)
Surface Roughness	As turned: Ra 1.6 - 3.2 um; Fine turned / ground: Ra 0.2 - 0.4 um
Concentricity / Roundness	Standard: 0.01 mm; Precision: up to 0.002 mm
Min. Machinable Feature	0.3 mm (0.012") groove / 0.5 mm (0.02") hole
Threading Capacity	Internal / external  threads, Metric (M0.8 - M30), UNC / UNF, BSPP / BSPT
Deep Hole Drilling	Max. depth-to-diameter ratio 15:1 (gun drilling)
Thin Wall Capability	Min. wall thickness: 0.3 mm (aluminum / stainless steel)
Inspection Equipment	CMM (ZEISS), Vision measuring machine, Roughness tester, Roundness tester, Thread go / no-gogauges
Certificates	ISO 9001:2015

Parameter	Standard Capacity				Premium Capacity
Material Grade(Plastic)	POM,Nylon 6/66,ABS				PEEK,PTFE
Diameter range	1-80 mm(Swiss)/5-200mm				0.5 - 32 mm(precision Swiss)
Linear tolerance	+0.01mm(+0.0004")				+0.002 mm (+0.00008")
Surface roughness(Ra)	1.6 um(machined),0.4 um(ground)				0.2 um (polished)
Finishing options	Deburr,Passivation,Black oxide				Zinc/NickelTin plating,Anodizing(typell/llI)
Max.Part weight	5kg				20kg
Inspection equipment	Caliper,micrometer,thread gauge				CMM (ZEISS),profile projector,roughness tester
Certificates	Material cert(EN 102043.1), FAI report				PPAP level 3,IATF 16949

Appliactions

Automotive: Chassis brackets, seat rails, brake shims, seat belt retractors, car accessories, clutch kit, scooter spare part.
Electronics: Shielding cans, battery contacts, USB connectors, heat sinks, computer accessories, keycap, data center accessories, semiconductor components, instrument enclosures, ECU casing, metal bracket,server chassis/case, watch case.
Home Appliances: Motor laminations, compressor parts, control panels,motorcycle accessories, bicycle spare parts. 
Medical: Surgical instruments, orthopedic brackets, device housings.
Industrial Automation: Filter screens, spring washers, chain links, valve components, kiosk enclosure, 3d metal printing, vending machine enclosure, brass knuckles, aluminium enclosure, steel structure.
New Energy: Busbars, terminal connectors, battery link plates, battery enclosure, electric motor car kit.

Company Profile

About US

Shenzhen Hua hui Precision Machinery (CPM) Technology Co., Ltd. was founded in 2018 and is located in the core advanced manufacturing area of Bao'an District, Shenzhen. The company specializes in providing custom precision CNC machining parts and one-stop tooling & fixture solutions for various manufacturing enterprises.

Leveraging the high-efficiency coordinated performance of our 5-axis DWG machines, we possess strong technical and man-agement capabilities for rapid programming and quick change-over to handle orders featuring "multi-variety, small-batch, and high-precision" requirements.

Equipped with a German ZEISS CMM (Coordinate Measuring Machine) and a temperature-controlled inspection lab, we achieve micron-level accuracy verification. We strictly implement a three-level quality control process (incoming inspection, in-process inspection, final inspection). Each batch can be supplied with an official inspection report, ensuring traceable and reliable data.Our ISO9001 certification reflects our commitmentto standardized processes, continuous improvement, and customer satisfaction. Every step from order intake to delivery follows rigorous quality control procedures.

The company strictly follows standardized operating procedures and emphasizes process quality controlto ensure dependable delivery and stable quality. 

We strive to be your "precision parts and tooling fixture professional partner" in the production supply chain. Whether it's a single drawing -based part or a complete tooling solution, Hua hui Precision will leverage the precision manufacturing capability of our our 5-axis DWG machines and the rigorous inspection standards of our CMM (ZEIss), backed by our ISO9001-certified quality system, to provide professional, efficient, and stable service.

We not only provide precision machined products, but also offer OEM ODM customized machining services. As long as you provide us with drawings, we can produce any components.

Packaging & Shipping

Certifications

FAQ

1. What materials can be used in CNC machining?
CNC machines can handle a variety of materials such as:
a.Metals (aluminum, steel, titanium, brass, copper)
b.Plastics (ABS, POM, nylon, acrylic)
c.Wood and composite materials
d.Ceramics and more.
 
2. What is the difference between CNC milling and CNC turning?
CNC Milling: Involves rotating the cutting tool and moving it along multiple axes to remove material from a workpiece.
CNC Turning: Involves rotating the workpiece and using a stationary cutting tool to remove material, mainly for cylindrical parts.
 
3. How do I choose the right CNC machining service?
Factors to consider include:
a.Material requirements
b.Tolerance and precision
c.Production volume
d.Lead time
e.Cost-effectiveness

4. What is the maximum size of a part that can be CNC machined?
The size limitations depend on the specific CNC machine being used. Large-scale machines can accommodate parts up to several meters in length, while smaller machines are typically limited to parts around 1000mm in length or less.

5. What is the accuracy and tolerance of CNC machining?
CNC machining offers high precision, with tolerances typically ranging from ±0.002mm to ±0.01mm. However, the exact tolerance will depend on the machine and the material used.

6. How much does CNC machining cost?
CNC machining costs vary based on factors such as:
a.Material choice
b.Part complexity
c.Machine time
d.Labor costs
e.Quantity (prototypes vs. mass production)
 
7. What types of finishes can be applied to CNC machined parts?
Common finishes include:
a.Anodizing
b.Powder coating
c.Polishing
d.Painting
e.Bead blasting
f.Electroplating

8. What are some common applications of CNC machining?
CNC machining is used across various industries, including:
a.Aerospace and aviation
b.Automotive
c.Medical devices
d.Consumer electronics
e.Industrial machinery
 
9. How can I ensure the quality of CNC machined parts?
Quality can be ensured through:
a.First Article Inspections (FAI)
b.In-process inspections
c.Final inspections
d.Use of quality control tools like CMM (Coordinate Measuring Machine)