Equipment
Fabrication
MG
BERTSCH NO. 11 INITIAL PINCH TYPE BENDING ROLL
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BERTSCH NO. 11 INITIAL PINCH TYPE BENDING ROLL

MG
Manufacturer:
BERTSCH
Model:
NO. 11
Year:
1961
Stock #:
2237
BERTSCH NO. 11 INITIAL PINCH TYPE BENDING ROLL

Bending capacity
Mild steel 12' x 1/2"
long on working tread 12'2" long
between frames 12'3"
diameter rolls 12 1/2"
Thickness mild steel at tensile strength in
one pass 1/2" at 60,000 lbs
Minimum I.D. that can be rolled
in several passes 14 1/2"
Rolling speed - variable to 24 FPM
Overall dimensions 21' x 7' x 6' H
Approximate weight 34,000 lbs.

MOTOR SPECIFICATIONS

20 HP 3/60/220 Volt, 860 RPM, Reliance slip ring variable speed, re
versible with reversing
drum controller & grid resistor. High starting & reversing torque w
ith electric brake
7 1/2 HP Hi starting torque, low starting current with reversing con
trols

3 Roll drive with lower rolls grooved longitudinally for increased g
ripping power for small
diameters.
Roll indicating scales at each end of the 2 lower rolls.
Power adjustment to rear forming roll thru enclosed worm gear drives
running in oil with a
clutch so one end can be adjusted independently for braking plates o
r cone rolling with
remote push button "up/down" control.
Air cylinder controlled drop end with automatic balance bar to tilt
top roll up & down,
Remote foot control
Hand adjustment to lower front pinch roll.
Longitudinally run safety cables front & rear for auto stop.
CONDITION - EXCELLENT, LIGHT USE SINCE REBUI
LD

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