Pinnacle engineering enterprise is a supplier of large size surface grinding machine, model gsh 8. Table size specifications: the table size of this machine is 800 x 400 mm constructed rigidly with high motor power for higher metal removal rate. The longitudinal table drive of the machine is hydraulic with separate hydraulic power pack and solenoid valves. Specifications of the large size surface grinding machine: the grinding machine is provided with reversal cushioning device to facilitate soft reversal of the table. Table speed is infinitely variable from 1 to 18 m/min. Spindle center above the table is 525 mm and rapid vertical movement is 140 mm/min with least count of 0.00l mm. Cross slide along with grinding column travel on one vee and one flat guide ways that are turcite ® b lined. The drive is electro-mechanical by means of trapezoidal lead screw and adjustable split nuts. The backless of the same can be adjusted. Auto cross feed is infinitely variable from 2 mm to 35 mm per stroke and rapid job positioning speed is 1200 mm/min. Long trouble free service is assured by assembling grinding spindle housing with super precision bearings grease packed with imported grease. Controls are provided to control the flow of lubrication oil in to guide ways.