Annex X of NR12 - Shoe Making Machines

1. The machines called swing arm press shall have following specific safety requirements, in addition to the requirements of NR12:

a) two-hand control trigger according to items 12.26 and 12.28 of NR12, installed adjacent to the swing arm, as shown in Figure 1 of this Annex;
b) emergency button according to items 12.56 to 12.63 and their sub-items of NR12, installed on the swing arm;
c) force less than or equal to 50N to move the swing arm; and
d) height equal to 1000 +/- 30mm from floor to the cutting surface

NR12_Annex10_Figure1 — Figure 1 – Manual swing arm press – Side view

Source: Fundacentro

Legend:
1: swing arm
2: two-hand control device
3: press base
4: cutting surface
5: body
6: emergency stop button

Figure 2 - Manual swing arm press Top view - Arm position at 180° — Figure 2 – Manual swing arm press Top view – Arm position at 180°

Legend:
1: swing arm
2: two-hand control device
4: cutting surface
6: emergency stop button
S1: position of rotation to the right
S2: position of rotation to the left

2. The machines called manual bridge type press shall have following specific safety requirements, in addition to the requirements of NR12:

a) fixed or interlocked movable guard at the top of equipment – carriage guide guard and front guard, in order to prevent accessing between mobile carriage and the machine frame, according to items 12.38 to 12.55 and sub-items of NR12 and Figure 2 of this Annex;
b) fixed or interlocked movable guards at the back of equipment that prevent accessing to risk zone, according to items 12.38 to 12.55 and sub-items of NR12 and Figure 2 of this Annex;
c) two two-hand control triggers in accordance with items 12.26 and 12.28 of NR12, installed on the mobile carriage, one for performing horizontal movement of mobile carriage, and other for ṕerforming vertical cutting motion, as shown in detail A of Figure A; and
d) emergency stop button according to items 12.56 to 12.63 and their sub-items of NR12, located on mobile carriage.
2.1 If the bridge type press has automatic horizontal movement, a frontal light curtain monitored by safety interface shall be adopted according to items 12.38 to 12.55 and sub-items of NR12.

Figure 3 - Manual bridge type press Side view — Figure 3 – Manual bridge type press Side view

Legend:
1: carriage guide guard
2: front guard
3: back guard

Figure 4 - Manual bridge type press - Front view — Figure 4 – Manual bridge type press – Front view

NR12_Annex10_Figure4b — Figure 4 – Manual bridge type press

Legend:
DH: horizontal displacement
DV: vertical displacement
1 and 2: two-hand control device, vertical displacement
2 and 4: horizontal displacement to the left
1 and 3: horizontal displacement to the right