| Customization: | Available |
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| After-sales Service: | Provided |
| Warranty: | 1 Year |
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Centerless grinding is a machining process that uses abrasive cutting to remove material from a workpiece.
[1] Centerless grinding differs from centered grinding operations in that no spindle or fixture is used to locate and secure the workpiece;
[2] the workpiece is secured between two rotary grinding wheels, and the speed of their rotation relative to each other determines the rate at which material is removed from the workpiece.
*Bed, high-strength dense-baked cast iron, two aging treatments, precision machining to ensure high precision of the machine tool;
*Grinding wheel device: overhanging structure, the main shaft adopts a ceramic main shaft, and the bearing adopts a multi-piece dynamic oil film bearing (not easy to heat up, small as the original, and repairable);
*Guide wheel device: easy-to-extend structure, using a tapered copper sleeve integral sliding bearing, with large bearing capacity and high precision. AC frequency conversion stepless speed regulation
*Control system: Mitsubishi system, human-machine dialogue, feed amount, speed, and time are all adjustable;
*Feed: The guide wheel frame moves using a plastic-coated guide rail and uses AC servo. The motor speed reducer drives the ball screw transmission, and the feed and compensation are combined together, which is easy to operate and control, with high feed accuracy and a minimum feed of 0.001;
*Grinding wheel dressing device: using the servo motor ball screw to drive the compensation dressing, which can realize the dressing of the step arc; *Guide wheel dressing device: hydraulic transmission, stepless speed regulation; the machine tool cooling system is equipped with a magnetic circle divider.
| No. | Name | Size | |
1 |
Grinding diameter | Plunge feed | 2~100(mm) |
| Thru-feed | 2~100(mm) | ||
2 |
Grinding length | Plunge feed | 210(mm) |
| Thru-feed | 195(mm) | ||
| 3 | Grinding wheel specifications | P500×200×305(mm) | |
| 4 | Regulating wheel specifications | Pda350×200×203(mm) | |
| 5 | Grinding wheel speed | 1250(r/min) | |
| 6 | Regulating wheel speed | 10--200(r/min) | |
7 |
Swiveling angle of regulating wheel | Vertical | -2~+5(°) |
| Horizontal | -1~+3(°) | ||
| 8 | Lateral displacement of guide wheel frame | ||
| 9 | Min feeding amount of grinding wheel dresser | 0.001(mm) | |
| 10 | Height from center-line of grinding.wheel & reg.wheel to work-rest | 255(mm) | |
| 11 | Power(kw) | 33 kw | |
| 12 | Weight(kg) | 4500(kg) | |
| 13 | Dimension(l*w*h) | 2675×1505×1615(mm) | |
14 |
Accuracy |
Roundness | 2(μm)( |
| Cylindricity | 3 (μm) | ||
| Surface roughness | 0.32(ra) | ||
| Burnt | Burns are not allowed after pickling inspection | ||
| Stability | Cpk>1.67 | ||
| Beat/shift | Within 15 seconds/one foot (grinding amount 0.25mm Inner circle within 5um) |
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Packaging:
Stable wooden package protects machine from strike and damage.
Wound plastic film keeps machine out of damp and corrosion.
Fumigation-free package helps the smooth customs clearance.
The big size machine will be fixed in container without package.
Shipping:
For LCL, we cooperated with reputable logistics team to send machine to sea port speedily and safely.
For FCL, we get the container and do container loading by our skillful workers carefully.
For forwarders, we have professional and long-term cooperated forwarders who can handle the shipment smoothly. Also we would like
to have seamless cooperation with your forwarder at your convenience.
1. Q: What is the power supply of the machine?
A: The standard power supply in china is 380V, 3P, 50Hz. We also can customized accordingly.
2. Q: What information should the customer provide to get an accurate quotation from us?
A: The customer should provide the related technical requirements, drawings, pictures, industrial voltage, planned output, etc
3. Q: What is the payment term A: The payment term is 30% down payment, and 70% before shipment(T/T mode), we also accept other payment term, like L/C, DA, D/P etc
4. Q: What is the delivery time?
A: Normally the delivery time of the machine is 30 days after receive down payment.
5. Q: What is the warrantee period of the machine?
A: The warrantee period is one year since the date of B/L.
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