Crepitus. Feeling a crunching or hearing a popping sound whenrotating the shoulder may be a sign that cartilage has worn away and is not protecting the bones from friction. The medical term for this symptom is “crepitus.” How do you treat a grinding shoulder?
Agitator for mill to produce dispersions of solids in liquids uses a grinding aggregate which is added, such as sand or beads of any sort, and is contained in vessel where it is mounted on a shaft. It consists of one or more disc shaped elements which has (have) a diagonal shoulder ...
摘要: PROBLEM TO BE SOLVED: To prevent a spiral shaped shallow fraw and grinding burn on a shoulder surface generated when a side surface of a grinding wheel interferes with the shoulder surface in fast-speed retreating the grinding wheel....
When using a vertical cylindrical grinder for machining, you need to pay attention to: 1. Make sure the workpiece is firmly fixed on the table to avoid loosening or shifting during the grinding process. Use suitable clamps and clamping force to prevent deformation ...
shoulder 115 41 and an opposed nut 116. The pivot points for the pairs of links 70 and 113 for connecting the same, respectively, to the intermediate support 59 and yoke 109 are located equidistantly from the axis of the guide rod 21, in order to minimize the effect 5 of angular ...
On the other hand, a high-speed grinding method has been known where a grinding wheel of relatively small thickness (for example 8 mm) is used and inclined in such a manner that one end face engages a radical shoulder face of the workpiece between the raw dimension and the final dimension...
This may be done between traverse grind strokes by initiating movement of the grinding wheel toward the workpiece from a position in which the edge surface of the grinding wheel is offset from the plane of a radially extending shoulder surface. Upon completion of a grinding operation, the wheel...
produce a shoulder. In one arrangement, Fig. 7, the spindle 114, hollow and designed to receive a workpieceholding collet (riot shown) is supported in hydrodynamic bearings 116, 117, the bearing 116 being slideable in the head with the spindle to produce the required movement of the latter....
Apparatus for improving tire uniformity includes contra-rotating grinding wheels (32, 34) for removing tire material from the upper and lower shoulder portions of the tire (16). The grinders are moved on an assembly (18) into grinding engagement with the tire along a path that is defined by...
flange on a grinding wheel F which is dished and has its drive shaft supported In a slanting position above the work. This wheel is mounted 1 on the work head and is fed downwardly at an acute angle to the shoulder so that the entire depth of the shoulder is at once engaged by the...