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At Henan San Kuang Machinery Technology Co., Ltd., a leading manufacturer established in 2014, we specialize in delivering exceptional High Precision Surface Rough & Finish Milling Services utilizing advanced CNC Gantry Machines. Our extensive 10,000-30,000 square meter facility is dedicated to transforming raw materials into high-quality, precision-engineered components. We understand that surface integrity is critical for functionality, assembly, and aesthetics. Our service is designed to provide you with consistently accurate and superior surface finishes, from initial roughing to the final finishing pass, all under one roof with stringent quality control.
Our CNC Gantry Milling Service is engineered for demanding applications where precision, repeatability, and surface quality are non-negotiable. We cater to a diverse range of industries, including mold & die making, aerospace, automotive, and heavy machinery.
- Advanced CNC Gantry Technology: Our machines offer superior rigidity, stability, and large working envelopes, making them ideal for machining large, heavy, or complex workpieces with high precision over their entire surface area.
- Integrated Roughing & Finishing: We provide a seamless process from aggressive material removal (roughing) to achieving the specified surface texture (finishing), ensuring efficiency and dimensional accuracy throughout.
- Customized Surface Finish Solutions: Whether you require a specific roughness average (Ra), a particular texture, or a mirror-like finish, our skilled technicians and optimized tool paths can achieve the desired result.
- Material Versatility: Our service is capable of handling a wide array of materials, including various grades of steel, aluminum alloys, cast iron, and engineering plastics.
- Comprehensive Quality Assurance: Every project undergoes rigorous inspection using precision measuring instruments to verify dimensional tolerances and surface finish parameters against your specifications.
Below is a general overview of our service capabilities. Specific parameters are tailored to each project.
| Capability Parameter | Typical Range / Description |
|---|---|
| Positioning Accuracy | High precision, typically within ±0.01mm to ±0.05mm |
| Surface Roughness (Finish Milling) | Achievable from Ra 0.4μm to Ra 6.3μm or as specified |
| Maximum Workpiece Capacity | Customizable; suitable for large-scale components |
| Primary Applications | Machine beds, plates, frames, molds, large housings |
| Supported File Formats | IGES, STEP, DXF, DWG, Parasolid, and other CAD formats |
The key advantage of partnering with us is the combination of scale and precision. Our large factory allows us to handle substantial projects, while our commitment to quality management systems ensures every detail is meticulously controlled. This service helps you reduce secondary processing time, improve part fit and performance, and achieve a professional appearance for your products.
With an annual export value ranging from US$2.5 Million to US$5 Million and a presence in major global markets including North America, Europe, and Southeast Asia, Henan San Kuang has built a reputation for reliability. Our operations are backed by a robust quality framework, including ISO 9001 for quality management and ISO 14000 for environmental management. Our strategic location with access to major ports like Shanghai and Qingdao ensures efficient and cost-effective logistics. Trust our team of 51-100 dedicated professionals to deliver milling services that meet your most exacting standards. Contact us today to discuss your project requirements and receive a detailed quotation.
Frequently Asked Questions (FAQ)
Q1: What is the main difference between rough and finish milling in your service?
A1: Rough milling focuses on removing the bulk of material quickly to get close to the final shape, using higher feed rates and depths of cut. Finish milling is the final operation, using lighter cuts and optimized parameters to achieve the precise dimensions, tight tolerances, and desired surface texture specified in the drawing.
Q2: What is the typical lead time for a surface milling project?
A2: Lead time varies significantly based on part complexity, size, material, and required surface finish. We provide project-specific timelines after reviewing your technical drawings and specifications. Our efficient workflow aims to deliver quality parts in a competitive timeframe.
Q3: Can you machine very large or heavy workpieces?
A3: Yes, our CNC gantry machines are specifically designed for large-part machining. Please provide the maximum dimensions and approximate weight of your workpiece, and we will confirm our machine's capacity and handling capabilities.
Q4: How do you ensure the surface finish meets my specified Ra value?
A4: We achieve this through a combination of factors: using sharp, appropriate cutting tools, precise machine programming, optimal cutting parameters (speed, feed, depth of cut), and stable machine conditions. The final surface is verified using profilometers or surface roughness testers.
Q5: What file formats do you accept for part programming?
A5: We accept most common 2D and 3D CAD file formats, including but not limited to STEP, IGES, Parasolid (X_T), DXF, and DWG. Providing a detailed drawing with all tolerances and surface finish callouts is also essential.
Q6: Do you provide material sourcing, or should I supply the raw material?
A6: We offer flexible arrangements. You can supply the raw material, or we can source it for you based on your material specification. We can provide competitive quotes for both the material and the machining service.
Q7: What quality control measures are in place during machining?
A7: Our quality control includes in-process checks by operators, first-article inspection, and final inspection using calibrated equipment like CMMs, height gauges, and surface testers. Our ISO 9001 system ensures documented and consistent procedures.
Q8: What are your main shipping terms and ports of shipment?
A8: We ship globally from major Chinese ports, including Shanghai, Qingdao, and Tianjin. We work with various shipping terms (EXW, FOB, CIF, etc.) and can partner with reliable freight forwarders to arrange cost-effective and timely delivery to your location.
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