High precision cylindrical grinding machine
MG Series High Precision Cylindrical Grinding Machine
The high precision class of the manual range: roundness 0.001 mm, diameter consistency 0.003 mm and Ra 0.04 μm on the standard test piece. Four frames from 320 mm to 630 mm diameter, two of them universal.
Features
- High precision class: roundness 0.001 mm, diameter consistency 0.003 mm and Ra 0.04 μm on the standard test piece.
- The MG1432 and MG1450 are the universal versions, with internal grinding to 100 mm and 200 mm bore.
- Wheel sizes to Φ750 mm, usable down to Φ550 mm before the wheel is spent.
- Handwheel feed of 2 mm to 5 mm per revolution, with rapid advance and retreat of 50 mm to 100 mm.
Specification
Published catalogue figures. Options and non-standard travels are quoted separately.
| Item | Unit | MG1432 | MG1350 | MG1363 | MG1450 |
|---|---|---|---|---|---|
| Capacity | |||||
| Diameter range ground, O.D., maximum | mm | 320 | 500 | 630 | 500 |
| Diameter range ground, O.D., minimum | mm | 8 | 25 | 30 | 25 |
| Centre height | mm | 180 | 270 | 370 | 270 |
| Inner circle diameter range | mm | 30-100 | — | — | 30-200 |
| Workhead centre taper | — | MT4 | MT6 | Metric 80# | MT6 |
| Tailstock centre taper | — | MT4 | MT6 | Metric 80# | MT6 |
| Centre distance | mm | 1000 / 1500 | 1500 / 2000 / 3000 / 4000 | 1500 / 2000 / 3000 / 4000 | 2000 / 3000 |
| Max. grinding cylindrical length | mm | 1000 / 1500 | 1500 / 2000 / 3000 / 4000 | 1500 / 2000 / 3000 / 4000 | 2000 / 3000 |
| Max. length of the inner hole | mm | 125 | — | — | 320 |
| Speeds and feeds | |||||
| Workhead speed | r/min | 26-260 at 50 Hz | 10-100, variable | 6-60, variable | 20-224 at 50 Hz |
| Handwheel feed per revolution | mm | 2 | 5 | 5 | 4 |
| Rapid advance and retreat | mm | 50 | 100 | 100 | 100 |
| Wheelhead spindle speed | r/min | 1670 | 870 | 870 | 1330 |
| Rotation angle of the wheelhead | deg | ±8 | — | — | ±8 |
| Wheel peripheral velocity | m/s | ≤ 35 | |||
| Wheel size | mm | Φ400×50×Φ203 | Φ750×75×Φ305Worn to Φ550×75×Φ305 | Φ750×75×Φ305Worn to Φ550×75×Φ305 | Φ500×75×Φ305 |
| Machining accuracy | |||||
| Roundness | mm | 0.001 | |||
| Diameter consistency | mm | 0.003 | |||
| Roughness | μm | Ra 0.04 | |||
Request A Quote
Get A Tailored Quote For The MG Series
Send The Largest Part Dimensions, The Material And The Tightest Tolerance. Our Engineers Confirm Whether The MG Series Fits And Reply With A Detailed Quotation.
- +86 15162661999
- info@hankray.com
-
Room 1804-2, No. 33 Xinggui Street, Suzhou Industrial Park, Suzhou, Jiangsu, China
Model FAQs
Questions Engineers Ask About The MG Series
How is work held on the MG Series for best concentricity?
Between centres whenever several diameters must stay concentric to one axis — the centre holes are the datum, so inspect and lap them before precision work. Chucks or collets take over when there are no centres or a bore is the reference. On the MG Series, slender work past roughly ten diameters of unsupported length wants a steady rest carrying the span.
Why does the MG Series hold its geometry under real work?
Two build points matter most on this machine: high precision class: roundness 0.001 mm, diameter consistency 0.003 mm and ra 0.04 μm on the standard test piece; and the mg1432 and mg1450 are the universal versions, with internal grinding to 100 mm and 200 mm bore. Structure decides how a machine ages — the specification table tells you what it does new, the build tells you what it does in year five.
What separates the MG Series from the MGK Series in this group?
Both sit in the high precision cylindrical grinding machine group, so the decision is capacity and duty, not kind: put your largest part dimensions, material and yearly quantity against each specification table and one of the two will run out of a figure first. Send the drawing and we will name which of the two fits — including the case where the smaller machine does the job.
What acceptance testing does the MG Series go through?
Every machine in the MG Series range is laser-measured to ISO 230-2 over its travels, cuts a test piece that is measured rather than admired, and ships with a serial-numbered report carrying the measured values. If any line misses, the machine goes back into the shop until it passes — the report is a record, not a promise.
