Specifications

MAGNABEND
NO. MBB 4181 & 4182
The MBB4181 is a bending brake that employs an electromagnetic system for clamping sheet metal for
the bending process. It comes complete with one full length and ten shorter keepers of varying lengths to
accommodate a full range of width requirements.
SPECIFICATIONS
Capacity 18 ga. mild steel
Bending Width 49 inches
Weight 275 pounds
Electrical 115V, 1PH, 60 HZ (MBB4181)
230V, 1PH, 60HZ (MBB4182)
WARNING
MECHANICAL DANGER:
Keep hands and fingers clear of clamping keepers at all times. Misuse or improper handling of the
bending brake may result in accidental pinching that could cause injury to or loss of fingers.
ELECTRICAL DANGER:
Misuse or improper installation of bending brake connected to a source of electricity may result in
accidental shock that could cause injury or death. Power cord installation must be grounded.
SET-UP INSTRUCTIONS
(See Figure 7)
1. Attach four legs (Items 19 & 20) to column (Item 18), using eight 3/8-16 x 3/4 socket head cap
screws (Item 21). With approximately 5/16” clearance between the brake and the stiffening plate,
guide the two screws down into the slots. Level the brake sub-assembly and tighten screws.
2. Set brake sub-assembly (Item 1) into slots in top of column, using two 3/8-16 x 3/4 socket head cap
screws (Item 21) and stiffening plate (Item 22).
3. Place angle indicator rod (Item 12) and collar (Item 27) over handle (Item 8) and attach handle to
underside of bending beam, using two 5/16-18 x 5/8 socket head cap screws (Item 10).
4. Attach anchor block (Item 13, attached to angle indicator rod) to magnetic base with two #10-24 x
5/8 socket head cap screws (Item 14). Be sure that brass actuator is assembled above
microswitch lever in magnetic base.
5. Attach trays (Items 23 & 24) to rear of column with two 1/4-20 x 1/2 round head machine screws
(Item 25). Narrow tray is positioned to front, over top of column.
6. Attach gauge bars (Item 26) to rear of magnetic base, and add collars and thumbscrews (Items 27 &
28).
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