High performance centerless grinder

Body and skateboard track

The body and sliding plate are designed with high rigidity and thermal deformation resistance, and have dedicated cooling water channels. The guide rail is a widened rectangular guide rail. The guide rail surface is manually scraped after being plastic-coated to reduce the friction coefficient and prevent the guide rail from crawling. The adjusting wheel is installed on the upper sliding plate and moves with the upper sliding plate, and the knife holder blade is installed on the lower sliding plate and moves with the lower sliding plate.

A rotary plate adjustment device is provided on the side of the adjusting wheel to adjust the horizontal angle between the adjusting wheel and the grinding wheel.

Bearing-type grinding wheel, adjusting wheel spindle

The bearing-type grinding wheel and adjusting wheel spindle are designed with a double support structure. The grinding wheel adjusting wheel is directly installed on the spindle. When replacing, it can be disassembled and assembled together with the spindle to ensure a high degree of restoration and positioning accuracy.Spindle bearing selectionFAGDouble row roller bearings and angular contact bearings are grease lubricated and require no oil supply and maintenance. It has excellent rotation accuracy and rigidity and is suitable for high-precision intermittent grinding and large allowance grinding.

Transmission system

The driving motor of the adjusting wheel spindle adopts a servo motor, and the speed10~250rpmIt can be set arbitrarily and can be easily adjusted to the maximum speed during grinding. When the outer diameter of the adjustment wheel changes, the same linear speed can be maintained to grind out the product.

The servo motor is cleverly designed and installed on the adjusting wheel box and directly driven by a timing belt. It can rotate the angle synchronously with the adjusting wheel box during grinding. Make sure the two pulleys are always parallel. It overcomes many adverse effects caused by the included angle when the old centerless grinder is driven by a chain, and avoids frequent replacement of the chain and zipper spring.

 Dressing device

The dressing seat is made of special alloy cast iron and undergoes multiple treatments including tempering and vibration to ensure stability and wear resistance. The dressing slide is designed with a dovetail shape and a widened track surface. It is precision manual scraping after one-time molding and grinding processing. It can be used with hydraulic reciprocating trimming or servo motor for molding trimming.

sliding mechanism

The upper slide rail is designed with a dove-shaped groove structure and has positive and negative5The function of degree rotation makes adjustment simple and quick. The lower sliding plate adopts doubleVType slide rail and double wedge-shaped auxiliary rail, the structure is stable and can avoid the intrusion of cutting fluid, making it easy to maintain. Both the upper and lower slides can be equipped with manual and automatic fine-tuning of the feed, with an accuracy of up to0.001MM .

Hydrostatic spindle

The high-precision hydrostatic spindle is a product designed and developed for the workstation of Academician Fu Xincheng. The working pressure of the static pressure bearing is 25 MPa, and the main shaft is suspended in the static pressure bearing oil film, achieving high precision, high rigidity, high speed and low friction. The use of high-pressure oil film to carry heavy loads and heavy cutting can effectively reduce spindle wear and maintain spindle operation accuracy.

BType adjusting wheel rolling bearing spindle

BThe main shaft of the adjusting wheel rolling bearing is designed as a double support structure.FAGDouble row roller bearings and angular contact bearings. Even when the working speed is low and heavy cutting, It can also maintain the rigidity achieved by ultra-high-precision rotation of the spindle. Ensure the true roundness and cylindricity of the ground products.