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BT Tappers PDF

This document provides information on the Yuasa BT Series of automatic precision tapping machines. It lists the main features such as the automatic feed mechanism, easy operation selection, and safety devices. It also describes standard accessories included and optional accessories available. Technical specifications are provided for capacity, change gears, and dimensions.

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Mohd Asri Taip
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2K views2 pages

BT Tappers PDF

This document provides information on the Yuasa BT Series of automatic precision tapping machines. It lists the main features such as the automatic feed mechanism, easy operation selection, and safety devices. It also describes standard accessories included and optional accessories available. Technical specifications are provided for capacity, change gears, and dimensions.

Uploaded by

Mohd Asri Taip
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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AUTOMATIC PRECISION TAPPING MACHINES

YUASA
BT SERIES

FEATURES:
Automatic precision feed mechanism with one pitch per one spindle revolution
Easy stoke setting or operation mode selection with just a finger's touch
Double safety devices for preventing breakage of machine and tap
SPECIAL OPERATING FUNCTIONS:
External origin operation
Step operation
Double-speed and return motion
Counter function as standard equipment
Automatic stop function and self-diagnostic function in case of alarm
Optional functions for automatic and specialization:
External output unit
Pole change unit (for BT71, BT81)
Extension cable 197" (5m)

STANDARD ACCESSORIES:
Tap chuck (not including BT81)
Double ended wrench
10x13 (0.39"x0.51"), 41x27 (1.61"x1.06")
MACHINES
CHINES

32x19 (1.26"x0.75") for BT61, BT71


BTA-521
50x36 (1.97"x1.42") for BT81
Hexagon bar wrench 4 (0.16") BT61-511
Lubricant 0.5 liter (0.13 gal.) for BT61,
1.0 liter (0.26 gal.) for BT81 SPECIFICATIONS FOR DUAL SPINDLE ATTACHMENT
Instruction manual
TIC MA

OPTIONAL ACCESSORIES
AUTOMATIC

Change gear
Double-spindle attachment (BT61 & BT71) CAPACITY OF MULTI-SPINDLE
Foot switch (067-009)
AUTOMA

MODEL MAX. TAPPING CAPACITY IN MILD


Tap chuck for BT81 BT61 M3 (#5) x 10 spindles M4 (#8) x 5 spindles M5 (#12) x 2 spindles
External output unit (BT-4500) BT71 M6 (1/4) x 9 spindles M8 (5/16) x 4 spindles M12 (1/2) x 2 spindles
Pole change unit (BT-4501)
BT81 M10 (3/8) x 10 spindles M16 (5/8) x 4 spindles M20 (3/4) x 2 spindles
Extension cable 197" (5m) (BT-4502)

126
SPECIFICATIONS: Inch/(mm)

YUASA

Change gears for BT71 and BT81 are common.


Change gears for parenthesized specification are special order and may require time before delivery.
Specifications including design and dimensions listed in this catalog are subject to change without notice.
Spindle safety clutch is available within the limit of M6 to M8 in BT61, and M8 to M16 in BT71.
As spindle safety clutch in BT81 is torque limiter type, it is used to protect the machine rather than to prevent breakage.

AUTOMA
AUTOMATIC
NOTE: BTO-263 small vertical tapping machine (1/4" cap.) is available on request.

TIC MA
MACHINES
CHINES

127

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