OPTIONAL AIR-TRIPPING ATTACHMENT
An air-tripping attachment is available for the Model 250P Automatic Numbering
Machine. This system is advantageous where press design or space limitations
makes mechanical tripping cumbersome.
Basically two small air cylinders mounted to the numbering machine, are used to
move the actuating arms, which move the wheels to the next number. A
miniature roller valve, activated by the movement of the press ram, controls air
flow to the cylinders. The mechanism works on the up-stroke of the press. Also
included is an adjustable speed control valve.
An air/logic control can be supplied which will repeat the same number up to 24
times before allowing the air cylinders to trip the unit.
The air-tripping system is designed for 60-80 psi. The cylinders and air plumbing
attached to the numbering machine come pre-assembled.
Precautions
The following precautions should be observed when assembling and operating
the air-tripping attachment:
1. The actuating arm bar moves very rapidly when the air cylinders extend.
Keep both hands completely free of that area.
2. The air-tripping system is designed to operate with a 60-80 psi air supply. A
filtered line is recommended to prevent any contamination.
3. The machine screws that secure the cylinder mounting bars to the frame must
remain tight. They are assembled at the factory using a thread sealant, but
should be periodically checked.
4. The tubing supplied with the tripping assembly is 1/8” nylon. All tubing fittings
are the compression type and do not require hollow cores because of the
small tubing diameter.
5. The standard air cylinder is single acting and spring returned. It has a bumper
system to cushion the end of the stroke. If the numbering machine is used for
hot stamping, a heat resistant bumper is required. The air cylinders DO NOT
REQUIRE LUBRICATION.
Revision # 2.0
