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Parts & Maint.

 

UNI-TAP SPECIFICATIONS

MODEL
4X

CAPACITY
IN STEEL

M1.4-M7
#-1/4"
WEIGHT

1LB.

THREADED
MOUNT

3/8-24
DIMENSIONS schm.gif (5724 bytes)
A
2-1/16"
B
47/64"
C
2-9/16"
D
4-1/14"
E
1/8"
F
3-5/16"

MODEL
12X

CAPACITY
IN STEEL

M5-M16
#10-3/4-16
1/4"PIPE
WEIGHT

4 LB.
8 OZ.
THREADED
MOUNT

7/8-20
DIMENSIONS
A
3"
B
1-15/32"
C
3-31/32"
D
6-3/8"
E
3/16"
F
4-3/4"

MODEL
18X

CAPACITY
IN STEEL

1/2-1-1/8
3/4" PIPE
WEIGHT

11 LB.
8 OZ.
THREADED
MOUNT

1-1/2-18
DIMENSIONS
A
4-1/8"
B
2-7/32"
C
4-3/8"
D
8-3/4"
E
1/2"
F
6-3/4"
ut4x.gif (2311 bytes) ut12x.gif (2851 bytes) ut18x.gif (3524 bytes)

 


 

UNI-TAP APPLICATIONS Up_Arrow6085.gif (883 bytes)

1. Multiple spindle automatics and chuckers with plain or universal threading.
Tapping with the UNI-TAP attachments in machines equipped with plain or universal threading requires that the UNI-TAP
attachment be equipped with a stub shank. The stub shank is inserted into the threading spindle of the machine in the same
manner as a diehead or conventional tap holder, and the UNI-TAP body is held stationary.

2. Multiple spindle automatics and chuckers with accelerated reaming or drilling attachments.
For multiple spindle automatics and chuckers with accelerated reaming or drilling attachments, the UNI-TAP attachment
must be equipped with a housing adaptor for insertion into the accelerating holder and rear drive nut.

3. Multiple spindle automatics and chuckers having no provision for acceleration of tools
independant of the tool slide.

The UNI-TAP shank must be rotated at a speed 60 to 90 % of the speed of the part to be threaded, with rotation in the
same direction. UNI-TAP must be moved independantly of the main tool slide.

 

MULTIPLE SPINDLE TAPPING

The UNI-TAP attachment can be used on all types of machines that rotate the workpiece and have provision for rotating
a spindle co-axially with the workpiece. The attachment uses a planetary bevel gear system that produces a 2 to 1 speed
ratio, which is transferred through positive drive clutching to initially drive the tap in the same direction as the workpiece,
but at a lower speed. This allows UNI-TAP to cut threads at a speed that is the difference between that of the workpiece
and the tap. When the attachment body is withdrawn, the second higher speed ratio is engaged, which drives the tap faster than the workpiece, still in the same direction, thus unscrewing the tap from the part. Very accurate thread depths are
achieved because the clutching is in the tool area. Other features of the UNI-Tap attachment include self-feeding and axial
float. The unit's modular design makes it ideally suited for most popular models of multiple spindle automatics and chuckers.

 


UNI-TAP OPERATION

The UNI-TAP attachment has three operating modes.

1. Tapping Mode -The output speed is governed by the position of the UNI-TAP body relative to the tapping spindle.
In the tapping mode the spindle is positioned toward the UNI-TAP body, engaging a clutch which drives directly from
the spindle.

2. Neutral Mode -When the tap has reached the proper depth in the workpiece, the UNI-TAP attachment shifts into
neutral and allows the tap to rotate with the workpiece.

3. Tap Withdrawal Mode -Retraction of the UNI-TAP attachment spindle engages the mechanism and the tap speed increases to twice that of the input speed. This, in effect, withdraws the tap from the workpiece. When the spindle returns
to the normal postition (Mode 1), this clutch disengages and the UNI-TAP attachment is ready for the next workpiece.

 


MOUNTING

Models 4X, 12X and 18X UNI-TAP are mounted with a stub shank adaptor directly into any plain or universal threading spindle on any size or type of rotating multiple spindle automatic chucker.

 


LEFT HAND THREADING

Left hand threading is available. Please consult factory.

 

ORDERING INFORMATION

1. Specify size unit, stub shank and tap collets needed.
2. Indicate type, size and serial number of machine where the unit will be used.
3. Terms: Units shipped FOB Waltham, MA, UPS C.O.D. unless credit eststablished.

 


WARRANTY

This unit is warranted by RULAND INDUSTRIES, INC., for a period of thirty days from the date of purchase against any defects in material or workmanship. RULAND INDUSTRIES, INC. reserves the right to repair or replace the unit at its option. Postage must be paid by purchaser. Disassembly by purchaser during warranty period voids warranty.

 

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