Safety and Operaon for TC/DC Self Reversing Tapping Aachments
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Warning: To avoid serious injury and ensure best results for your tapping operaon, please read carefully all
operator and safety instrucons provided for this tapping unit as well as all other safety instrucons that are ap-
plicable, especially those for your machine.
1. Proper Clothing: The rotang spindle of a machine tool can snag loose ng clothing, jewelry or long hair.
Never wear jewelry, long sleeves, neckes, gloves or anything else that could become caught when operang a
machine tool. Long hair must be restrained or need to prevent it from becoming entangled in rotang spindle.
2. Proper Eye Protecon: Always wear safety glasses with side shields to protect your eyes from
ying parcles.
3. Proper Work Piece Fixturing: Never hold the work piece or the vise it is held in by hand. The
workpiece must be clamped rmly to the table of the machine so that it cannot move, rotate or
li.
4. Proper Stop Arm/Torque Bar Installaon for Self-Reversing Aachments On Convenonal
Machines.
Always mount a torque bar to hold the tapping aachments stop arm from rotang.
The torque bar must be mounted securely to the table or quill of your machine. The
torque bar installaon must be stronger than the largest tap in the capacity range of
your tapping aachment. The surface of the torque bar must be smooth to allow the
stop arm to slide freely when feeding in and out of the hole. Order Tapmac Torque Bars
shown.
Never extend the length of the standard stop arm supplied with your tapping aach-
ment. A lengthened stop arm could break free hing the operator and causing serious
injury.
Never hold the stop arm by hand. On reversal, full power of the machine is transmied through the
stop arm and the operator could be seriously injured.
5. Do not exceed the maximum speed for the tapping head: Speed is a crical factor in tapping.
Please always refer to recommended tapping speed chart. Tapmac torque control reversing tap-
ping aachments employ a planetary gear for increased speed in reverse. The revoluons per minute when revers-
ing out of the hole will be 1.75 mes faster than the machine spindle speed. It is strongly recommended that you
consider the Average Tapping Speed rather than machine speed when calculang cycle me. For example if ma-
chine speed is 1500 RPM, reverse speed is 2625 RPM making your Average Tapping Speed 2062 RPM. You must not
exceed the maximum allowable speed marked on your tapping aachment.
6. Always be aware of the potenal hazards of a machining operaon: Somemes working with your machine can
seem roune. You may nd that you are no longer concentrang on the operaon. A feeling of false security can
lead to serious injury. Always be alert to the dangers of the machines with which you work. Always keep hands,
parts of the body, clothing, jewelry and hair out of the areas of operaon when the machine spindle is rotang. Are-
as of operaon include the immediate point of machining and all transmission components including the tapping
aachment. Never bring your hand, other parts of the body or anything aached to your person into any of these
areas unl the machine spindle is completely stopped.
Quill Clamp
Capacity Ø
Order No.
Max Tap Size
1 1/2”-3/8”
38-60 mm
29099 1/2” or M12
2 3/8”-4 1/2”
60-114 mm
290991 3/4” or M20
Torque Bar
Assembly
Order No.
Max Tap Size
Table Mount 29097 3/4” or M20
Heavy Duty
Table Mount
29096 1 3/4” or M42
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