METHOD OF MONITORING FITTING PRESSURE FOR TRACK LINKS

摘要

The ram pressure applied during fitting of the link is monitored in relation to a predetermined minimum pressure PL, a predetermined maximum pressure PH and a period T representing the time taken to press each link into position. The fitting of the link is accepted as satisfactory if the sum of the times ta1 and ta2 for which the pressure is above the lower limit PL during the period T exceeds a pre-set value. …Momentary increases above the maximum pressure PH due to the presence of burrs or other irregularities are disregarded provided that the sum of the times for which the pressure PH is exceeded does not exceed a pre-set limit.