Document 1QjZVBLn2MjwdxQxdqD2ybpy5

COLD FORMING OF METALS Fig. 23*1. Guarded power press is shewn above. At left, guard has been removed and artist has indicated on photograph by solid line the "polnt-of-operation." Dashed line shows danger zone. Fig 23-3) are used, or else design the en closure guard feed opening as shown in Table 23-A If neither of these two meth ods can be used, then auxiliary devices should control access to the point of opera tion, such as providing hand-feeding tools or some other feeding method to keep hands out of the die area A power press guarding program should be based on an intelbgent evaluation of the specific problems, and a definite company policy should be formulated to cover use of existing guards, provision for unguarded operations, consideration of the safety fac tor m new operations, and enforcement of safe operating standards See general prin ciples m Chapter 22, "Principles of Guard ing" Such a program includes adherence to American Safety Standards" and to applica ble state and local codes Many press rooms are small, with only a Fig. 23*2. These dies, fully protected by die enclosure guards, can be fed by oper ator without danger. Note guards for small punching dies are easily made from pipe or tubing. 23-2