Solutions Built Around Your Machining Problem
Customers rarely search for “a grinder” alone—they need roundness, concentricity, roughness, and stable cycle time on real parts. Our pages are structured so both people and search engines can see how we address those outcomes.
Precision CNC Turning
Shafts, sleeves, rings, rollers—stable OD/ID relationships
Preparation for downstream grinding when finish turning is not enough
Machine + tooling direction from tolerance stack
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Cylindrical (OD) Grinding
Roundness, cylindricity, and bearing-journal class features
Process windows for burn, chatter, and taper control
Wheel, coolant, and machine recommendation as one package
Book a process review
Internal Grinding
Bores, races, and sleeve IDs with tight IT grades
Concentricity relative to OD and face datums
Rigidity and workholding as part of the solution
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End-Face Grinding
Squareness and flatness on coupling faces and thrust surfaces
Reducing secondary bench work
Matching the right face-grinding approach to material and batch size
Discuss the application
HIGH LEVERAGE
Grinding Instead of Finish Turning
When turning alone cannot hold roughness or roundness
Fewer rejects and less manual correction
Clear hand-off between turning and grinding operations
See case patterns
Process Improvement for Difficult-to-Machine Parts
Thin-wall, interrupted cut, and critical mating surfaces
Sequence, datum strategy, and inspection alignment
Equipment upgrade path only when the process justifies it
Process diagnosis
By Challenge
These are the symptoms teams usually search for—mapped to how we work with you from drawing to stable production.
Poor roundness / cylindricity
Process, wheel, workholding, and machine stiffness reviewed together—not isolated “tweaks.”
Concentricity unstable
Datum flow from turning to grinding; OD/ID relationships and setup repeatability.
Surface roughness off target
Finish bands, dressing strategy, and coolant direction tied to measurable Ra/Rz goals.
Grinding burn / chatter / taper
Symptom-led troubleshooting with structured trials and documented parameters.
Cycle time too long
Stock allowance, passes, and wheel specification balanced against quality risk.
Tool life unstable
Where turning still matters: grades, geometry, and entry conditions aligned to material.
Existing machine cannot hold tolerance
Honest gap analysis: retrofit, replacement, or subcontract bridge—without overselling brand.
Start From the Part, Not the Catalog
Tolerance, material, batch, and inspection—then machine, process, training, and support.
Lonfu-Tech CNC provides advanced solutions for: grinding wheel, Grinding machine, Dressing disc, Insert, CBN, Hard turning, Precision, Roundness, Runout, Roughness, Burning, Vibration, Spindle, Feed, Cutting speed, Tool radius, Hybrid