表面注射聚氨酯,硬度55 Shore D.砂轮中心体聚酰胺基(PA)技术聚合物。HUB直接进入中心。轴设置校准的精密管。管作为垫片,用螺丝和螺母紧固到支架上,以一个未预定的扭矩值。轮毂在管上自由旋转。固定板支架采用镀锌钢或AISI 304不锈钢(SST版)板材,支架设计可承受高达3000N的载荷。转盘支架采用镀锌钢或AISI 304不锈钢(SST版)板材,支架设计可承受高达3000N的载荷。双球圈的存在和直接接触之间的板和球圈与内置销确保卓越的manoeu - vrability和非常有限的间隙。不需要维护。它包括(见图1): fitting plate: electrolytically zinc-plated steel or AISI 304 stainless steel sheet; 2. fork: electrolytically zinc-plated steel or AISI 304 stainless steel sheet; 3. ball race ring: electrolytically zinc-plated steel or AISI 304 stainless steel sheet; 4. central pin: incorporated in the plate, cold reflanged; 5. rotation system: dual grease-lubricated ball race; 6. dust seal: RAL 7015 dark grey technopolymer. BRAKE Total brake that locks the wheel and bracket rotation. The optimised dimensions and the retractable pedal ensure minimal space occupied and maximum actuation ease. Hardened carbon steel or stainless steel (SST version) spring.