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Cleveland Steel Tool Ironworkers allow for Oversize 228 Punch
and 419 Die tooling to be installed in either the punch station
or the open station. 228/419 tooling has a capacity of a 1-1/2"
round hole through 5/16" thick mild steel.
Setup
228/419 tooling includes an 228 punch stripper, 228 punch
holder assembly, 419 die table or 419 pedestal die table and
an oversized wrench. Punches and dies are wearing parts
and will need to be maintained or replaced over time. When
installing oversize punch and die tooling please observe the
following steps:
Turn off power to machine by depressing the red stop / off
button or lockout upstream power at the main electrical panel.
Install the oversize punch holder:
1. 228 punch tooling can be installed in either the punch
station or the opposite, open station end of the Ironworker.
Remove existing tooling or debris from installation site.
2. Install 228 punch block/stem assembly to the moving
center with hardware provided. Tighten assembly to
moving center.
3. Insert 228 punch in CNUT228 coupling nut and thread
onto oversize punch block /stem assembly. Tighten with
wrench provided. If using a shaped punch, align the
locating keystock of the punch with the corresponding
slot within the punch stem assembly and tighten the
punch nut with the wrench.
Install the 419 oversize pedestal die table:
1. Clear the Ironworker base table of any debris.
2. Install the 419 die table with the die opening facing away
from the Ironworker. Align the slotted holes of the die table
with the base table holes and insert hardware provided.
3. With die table hardware loosely installed, insert 419 die
into die holder and secure with set screw.
4. Turn Ironworker on and inch down the punch to meet the
die with the foot pedal jog control. Check to see that the
punch is centered within the die.
5. Once punch is aligned with die, turn off power to machine;
secure the die table to the Ironworker base table by
tightening the hardware provided.
6. Install the oversize punch stripper assembly to the
Ironworker frame with the hardware provided.
7. Swing the stripper bar into place allowing for minimal
clearance between the top of the material to be punched
and the bottom of the stripper and tighten the stripper bar
bolts.
Safe Operation
Observe the following guidelines when operating the Oversize
Punch tooling.
• Follow manufacturer punch and die clearance and
tonnage recommendations as shown in Figure 2, page
21.
• Never exceed the capacities of the machine or tooling
as described in the specifications or listed at the tooling
station.
• The thickness of the material you are punching should not
exceed the diameter of the punch being used.
• Check punch and die alignment after every tooling
change.
• Adjust the punch stripper supplied with your Cleveland
Steel Tool Ironworker to allow for material positioning and
material stripping.
• Do not stack material to punch in the punching station.
• Use 1 - 2 drops of oil at the punch to aid in stripping
material from the punch as well as to extend the life of the
punch tooling.
• Punch complete holes only – partial holes will side load
the punch tooling and could result in punch breakage and
operator injury.
• Use punch aids when working small items at the punch
station.
Oversize Punch Tooling Operation
Clear the punch station of any tools or debris prior to powering
the machine on.
1. Place the material to be punched between the punch
and die. Check to see that your material is spanning the
stripper plate and that adequate material is avaiable to
safely position the material.
2. Clear your hands from the working area and depress the
foot pedal to move the punch through the material and
into the die.
3. When the punch is complete, release the foot pedal to
automatically strip the material from the punch and return
the punch to its neutral position. When the punch is
complete, release the foot pedal to automatically strip the
material from the punch and return the punch to its neutral
position.
Image Note: Guarding removed for clarity
Optional Tooling - Oversize 228 Punch and 419 Die Assembly
Guarding removed for clarity
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