Grinding & Precision Finishing
PROCESS SCOPE
Grinding and Finishing Processes
Grinding is typically applied after earlier machining operations have established the basic geometry. The part is left with controlled stock where necessary, then finished to the required dimension or surface condition in the grinding stage.
Surface Grinding
For flat faces, datum surfaces, plates and components requiring improved flatness, thickness control, parallelism or a refined surface condition.
Cylindrical Grinding
For external cylindrical surfaces such as shafts, pins and fit diameters where final size, roundness or surface finish requires a grinding operation.
Internal Grinding
For internal cylindrical surfaces or bores where the geometry, size or finishing requirement is suitable for an internal grinding process. Include this only if confirmed as an in-house or supported capability.
Precision Finishing
Final finishing operations selected according to the dimensional, geometric and surface requirements of the component after primary machining.
TYPICAL FEATURES & PARTS
Typical Grinding Applications
Grinding is often selected for fit-critical, datum-related or contact surfaces where the final dimension and surface condition directly affect assembly or function. Typical applications include:
- Precision plates and datum surfaces
- Ground shafts and fit diameters
- Bearing or sliding surfaces
- Parallel faces and controlled thickness features
- Machine tooling and fixture components
- Hardened or heat-treated parts requiring final dimensional correction
- Components requiring improved flatness, roundness or surface finish
PROCESS CONTROL
What We Control During Grinding
Grinding is a finishing process, so small changes in stock allowance, temperature or setup can affect the final result. The process is therefore planned around the final drawing requirements rather than treated as a cosmetic operation.
致力于人工智能、数字智造深度创新和落地
Grinding Allowance
Upstream machining leaves an appropriate and consistent amount of stock for grinding so that the final operation can correct the required surfaces without unnecessary material removal.
Flatness, Parallelism & Roundness
The grinding setup and inspection method are selected according to the geometric characteristic that matters to the part — not only the nominal dimension.
Thermal & Deformation Control
Heat generation and workpiece support are considered during finishing, particularly for thin parts, long parts or components that may move as material is removed.
Surface Condition
Wheel selection, dressing, feed and finishing passes are adjusted according to material and required surface condition. The target is the specified functional finish, not simply a visually smooth surface.
CAPABILITY DATA
Capability Snapshot
|
Capability Item |
Website Wording / Data to Confirm |
|
Grinding Types |
Surface grinding |
|
Maximum Workpiece Size |
Up to approx. 1500 × 600 mm for surface grinding |
|
Dimensional Tolerance |
Typically ±0.005–0.01 mm, depending on part size, material and geometry |
|
Flatness / Parallelism |
Typically within 0.01 mm, with tighter requirements evaluated according to part size and geometry |
|
Surface Roughness |
Typically Ra 0.4–0.8 μm, with finer finishes available for specific requirements |
|
Part Condition |
Pre-machined, heat-treated and hardened components, depending on material and drawing requirements |
Need a Critical Surface Finished After Machining?
Identify the surfaces that require grinding, together with the final dimensions, geometric tolerances, surface finish and material condition. We can review the required stock allowance and finishing route before quotation.
We machine a wide range of metals, engineering plastics, and selected high-performance materials for custom CNC machined parts
Contact Us
Tel: +86-769-38995488-888
Email: rfq@lairun.com.cn
WhatsApp: +86 139 2926 5752
WhatsApp: +86 136 5251 3796
Address: Room 102, 1st Floor, Building 1, No.46, Weimin Road, Dongcheng Street, Dongguan city, Guangdong Province, China