| After-sales Service: | Online After-Sales Service |
|---|---|
| Warranty: | Half Year for Quick-Wear Parts |
| Type: | External Grinding Machine |
| Processing Object: | Bearing Outer Ring |
| Abrasives: | Grinding Wheel |
| Controlling Mode: | CNC |
| Customization: |
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Suppliers with verified business licenses
Audited Supplier | Description | ||||||||||
| S. No. | Machine Name | Model No. | Features | |||||||
| 1 | OR Groove Grinder | 3MK147B | Machining parts Material | Processing range: OD: 26-62mm; Width: 8-20mm | ||||||
| Accuracy | Grinding allowance(mm) | 0.1-0.15 | ||||||||
| Dimension deviation(mm) | ≤ 0.0015 | |||||||||
| Roundness(2~15 level) | ≤ outer ring surface roundness | |||||||||
| Groove curvature(mm) | ≤ 0.02 | |||||||||
| Groove shape(mm) | ≤ 0.0015 | |||||||||
| Groove center(mm) | ≤ 3 | |||||||||
| Surface roughness Ra(μm) | ≤ 0.32 | |||||||||
| Surface Quality | Burns or cracks on the grooves are not allowed, and the appearance quality meets the corporate standards. No supporting marks are allowed on the outer circle. | |||||||||
| Bed Casting | The bed casting is made of HT250 material and casted by precision resin sand manufacturing process, with secondary aging treatment, smooth surface, good vibration absorption and not easily deformed. | |||||||||
| Control system | PLC+position control module | |||||||||
| Man-machine interface | Touch screen | |||||||||
| Feeding system | Servo motor+ball screw+high precision and high rigidity cross roller slideway guide rail.Plunge grinding mode. The feeding rate is adjustable from 0.001-60mm/min. The fee resolution 0.001mm, and the repeatability accuracy 0.001 (repeat 30 cycles). | |||||||||
| Workpiece spindle | Sleeve structure is used. The spindle bearings are grease lubricated. The radial runout of the flange at the spindle shaft end is 3um, the axial runout 2um. | |||||||||
| Speed control | The workpiece is driven by an AC variable frequency motor with multiple belts, and the AC frequency converter is used for speed regulation. | |||||||||
| Supporting | Fix the outer diameter and grind the grooves, with end face positioning, and electromagnetic centerless clamp clamping. | |||||||||
| Grinding wheel spindle | High-power electric spindle, oil mist lubricated. | |||||||||
| Wheel dressing | Single-point diamond pen arc dresser. | |||||||||
| Accessories | Equipped with superimposed valve type independent hydraulic station. | |||||||||
| Protect cover | Fully enclosed housing, made of 2mm steel plate. | |||||||||
| Tooling | One set of tooling for free. | |||||||||
| Power Supply | According to customer requirements. | |||||||||
| Configration | Part name | Specifications | Qty | Manufacturer | ||||||
| PLC control system | Q00UJ | 1 | Mitsubishi | |||||||
| Servo driver | MR-J4-100A | 2 | Mitsubishi | |||||||
| Servo motor | HG-SR102 | 2 | Mitsubishi | |||||||
| HMI touch screen | GT2310 | 1 | Mitsubishi | |||||||
| Ball screw | φ40mm | 2 | THK | |||||||
| Lead rail | VR18 | 4 | Hanjiang | |||||||
| Workpiece VFD | ATV12H075M2 | 1 | Schneider | |||||||
| Workpiece VFD motor | 0.75KW | 1 | Made in China | |||||||
| Workpiece spindle bearings | 7212AC/P4 7211AC/P4 |
4 | ZYS | |||||||
| Bearings of worktable and dresser screw |
7206B/P4 | 4 | ZYS | |||||||
| Spindle | 1 | ZYS | ||||||||
| Spindle VFD | 1 | Delta | ||||||||
| Spindle lubrication | QzW2-G1/2-6B | 1 | Made in China | |||||||
| Low-voltage electrical | 1 | Schneider | ||||||||
| Chuck magnetizing controller | 1 | |||||||||
| Hydraulic system | 1 | Made in China | ||||||||
| Feed screw coupling | 2 | Made in China | ||||||||
| Dimensions | 1850*1200*1760mm | |||||||||
| Total weight | 3000kgs | |||||||||
Suppliers with verified business licenses
Audited Supplier 
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