| 摘要 |
FIELD: grinding equipment. ^ SUBSTANCE: grinder has bed consisting of front wall, rear wall, two side walls, base, immovable cheek and movable cheek, and spacer plates. Grinder is additionally provided with second immovable cheek and second movable cheek, guiding rollers fixed on bed side walls, and slide mounted for reciprocation in vertical plane on rollers. Immovable cheeks are pivotally joined with front wall and rear wall of bed, respectively. Movable cheeks are composed of two parts, namely, lower part resting upon bed base and upper part resting upon lower part of cheek. Each part of movable cheeks is pivotally connected with slide. Spacer plates of upper parts of movable cheeks are positioned adjacent to idle stroke extreme points and spacer plates of lower parts of movable cheeks are positioned adjacent to extreme points of working stroke of lower parts of movable cheeks. ^ EFFECT: increased efficiency and enhanced reliability in operation. ^ 3 dwg
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