Surface grinding machine Jotes SPG 30×80 was produced in 1990 by Jotes Ponar-Lodz company. It is European company, which has been operating on the market since 1866 and it is the biggest manufacturer and explorer of conventional and automatic grinders of high class. Jotes company is specialized in the production and distribution of the grinding machines for shafts, surfaces, and also render services for the machining of metal. Our surface grinding machine SPG 30 x 80 perfectly shows high quality and competitive of the machines of this manufacturer.
As we can understand from the name of the grinding machine, it is destined for grinding surfaces of the workpieces but due to the high surface smoothness and technical possibilities it can be also applied for all working operations that require high precision of the processing. This machine is destined for continuous working and is used mainly in all kinds of factories and manufacturing plants. Surface grinding machine SPG 30 is represented by horizontal axis of the grinding wheel spindle and rectangular working table with length 31.5 inches and width 11.813 inches on which we can place the workpiece with weight 674 lb. Maximum length and width of the grinding with wheel running is the same as a size of the working surface. Table is equipped with hydraulic system, which allows the longitudinal movement that is equal to 4.719 inches. It has also manual control of the table movement, which allows you to change it direction. The length of the manual travel of the table for one rotation of a wheel is equal to 0.547 inch. Speed of the longitudinal feed of the table can be adjusted in a continuously adjustable in the range of 196 in/min to 985 in/min. Maximum height of the processing detail is depended of the diameter of the grinding wheel, that has size 15.75 inches of the new one and 9.844 inches of the used, and is equal to 15.75 inches and 22.641 inches respectively. If we say about size of the wheel we can also notice that diameter of the hole in it is equal to 5 inches and the maximum width is 2.953 inches. The grinding wheel rotates in the spindle head with speed up to 1470 rpm and is driven by electrical motor which has power 7.5 KW. Regulation of the distance between surface of the working table and spindle head is performed manually and minimum distance is equal to 5.906 inches and maximum is equal to 23.625 inches. You can place this grinder where you need without any problems because the measurement of it is not very big, length is 118.109 inches, width – 112.203 inches and height is equal to 77.953 inches. Considering such size, machine in not heavy and has weight 6172 lb.
