6" VERTICAL & HORIZONTAL
ROTARY TABLE WITH DIVIDING
PLATES & TAILSTOCK
MODEL H7527
INSTRUCTION MANUAL
WARNING: NO PORTION OF THIS MANUAL MAY BE REPRODUCED IN ANY SHAPE
OR FORM WITHOUT THE WRITTEN APPROVAL OF GRIZZLY INDUSTRIAL, INC.
WARNING
Table of Contents
INTRODUCTION ............................................................................................................................... 2
SECTION 1: SAFETY ....................................................................................................................... 4
SECTION 2: SET UP ........................................................................................................................ 6
SECTION 3: OPERATIONS ........................................................................................................... 11
SECTION 4: MAINTENANCE......................................................................................................... 19
WARRANTY AND RETURNS ........................................................................................................ 22
MACHINE DATA
sHEET
MoDEl H7527 6" RoTARy TAblE
Foreword
INTRODUCTION
Contact Info
www.grizzly.com
Figure 1.
A. MT#2 Center Hole Taper
B. Rotary Table Locks
C. Free Rotation Lever
D. Free Rotation Lever Lock
Identification
E. Calibrated Scale with Vernier—
F. Table Scale
G. Dividing Plates
H. Sector Arm
4. ALWAYS USE HEARING PROTECTION
WHEN OPERATING MACHINERY.
5. WEAR PROPER APPAREL.
6. NEVER OPERATE MACHINERY WHEN
TIRED, OR UNDER THE INFLUENCE OF
DRUGS OR ALCOHOL.
1. READ THROUGH THE ENTIRE MANUAL
BEFORE STARTING MACHINERY.
2. ALWAYS USE ANSI APPROVED
SAFETY GLASSES WHEN OPERATING
MACHINERY.
3. ALWAYS WEAR AN ANSI APPROVED
RESPIRATOR WHEN OPERATING
MACHINERY THAT PRODUCES DUST.
For Your Own Safety, Read Instruction
Manual Before Operating this Machine
The purpose of safety symbols is to attract your attention to possible hazardous conditions. This
manual uses a series of symbols and signal words which are intended to convey the level of
importance of the safety messages. The progression of symbols is described below. Remember
that safety messages by themselves do not eliminate danger and are not a substitute for proper
accident prevention measures.
Indicates a potentially hazardous situation which, if not avoided,
MAY result in minor or moderate injury. It may also be used to alert
against unsafe practices.
Indicates a potentially hazardous situation which, if not avoided,
COULD result in death or serious injury.
Indicates an imminently hazardous situation which, if not avoided,
WILL result in death or serious injury.
This symbol is used to alert the user to useful information about
proper operation of the machine.
NOTICE
Safety Instructions for Machinery
SECTION 1: SAFETY
7. ONLY ALLOW TRAINED AND PROP-
ERLY SUPERVISED PERSONNEL TO
OPERATE MACHINERY.
8. KEEP CHILDREN AND VISITORS AWAY.
9. MAKE WORKSHOP CHILD PROOF.
10. NEVER LEAVE WHEN MACHINE IS
RUNNING. OFF
11. DO NOT USE IN DANGEROUS
ENVIRONMENTS.
12. KEEP WORK AREA CLEAN AND WELL
LIT.
13. USE A GROUNDED EXTENSION CORD
RATED FOR THE MACHINE AMPERAGE.
14.
ALWAYS DISCONNECT FROM POWER
SOURCE BEFORE SERVICING
MACHINERY
15. MAINTAIN MACHINERY WITH CARE.
16. MAKE SURE GUARDS ARE IN PLACE
AND WORK CORRECTLY BEFORE
USING MACHINERY.
Safety Instructions for Machinery
17. REMOVE ADJUSTING KEYS AND
WRENCHES.
ON.
18. CHECK FOR DAMAGED PARTS
BEFORE USING MACHINERY.
19. USE RECOMMENDED ACCESSORIES.
20. DO NOT FORCE MACHINERY.
21. SECURE WORKPIECE.
22. DO NOT OVERREACH.
23. MANY MACHINES WILL EJECT THE
WORKPIECE TOWARD THE OPERATOR.
24. ALWAYS LOCK MOBILE BASES
(IF USED) BEFORE OPERATING
MACHINERY
please immediately call Customer Service at
(570) 546-9663for advice.
Otherwise, filing a freight claim can be difficult.
Wear safety glasses dur-
ing the entire set up pro-
cess!
This machine presents
serious injury hazards
to untrained users. Read
through this entire manu-
al to become familiar with
the controls and opera-
tions before starting the
machine!
Unpacking
Set Up Safety
SECTION 2: SET UP
Description Qty
Items Needed For
Set Up
Inventory
Box 1: (Figure 2) Qty
A.
B.
C.
D.
E.
F.
G.
H.
I.
J.
K.
L.
M.
Figure 3.
Box 2: (Figure 3) Qty
A
Figure 2.
For opti-
mum performance from your machine, make
sure you clean all moving parts or sliding
contact surfaces that are coated.
Clean Up
Gasoline and petroleum
products have low flash
points and could cause
an explosion or fire if
used to clean machinery.
DO NOT use gasoline or
petroleum products to
clean the machinery.
Many of the solvents
commonly used to clean
machinery can be toxic
when inhaled or ingest-
ed. Lack of ventilation
while using these sol-
vents could cause seri-
ous personal health risks
or fire. Take precautions
from this hazard by only
using cleaning solvents
in a well ventilated area.
Handwheel
Installation
Components and Hardware Needed: Qty
Tools Needed: Qty
To install the handwheel:
1.
2 Figure
4
3.
4.
Figure 4.
Figure 5.
Components and Hardware Needed: Qty
Tools Needed: Qty
To mount the rotary table:
1. Disconnect power to the milling machine
before installing the rotary table!
2
3.
4.
Figure 5
The T-slots for the vertical set-up of
the rotary table are 4.5" between centers.
You will need to have the same distance
between centers on your milling table to use
T-nuts and bolts. If your milling table has
different T-slot centers, you will need to use
step blocks or clamps to secure the rotary
table (see Figure 6).
Mounting to Table
Make sure the rotary table is secured to the
milling table. Check the T-slot clamps before
each cutting operation. If rotary table is not
secured, serious personal injury and dam-
age to your mill and rotary table could result.
Figure 6.
Alignment
1.
Figure 7
Figure 8.
3.
Figure 9
Figure 9.
Figure 7.
2.
Figure 8
Account for the edge finder radius and
use a precision measuring instrument when
determining rotary table diameter
Damage to your eyes, lungs, and ears could
result from using this machine without
proper protective gear. Always wear safety
glasses, a respirator, and hearing protection
when operating this machine.
Loose hair and cloth-
ing could get caught in
machinery and cause seri-
ous personal injury. Keep
loose clothing and long
hair away from moving
machinery.
Rotary TableOperation Safety
Figure 10
SECTION 3: OPERATIONS
NOTICE
If you have never used this type of machine
or equipment before, WE STRONGLY REC-
OMMEND that you read books, trade maga-
zines, or get formal training before begin-
ning any projects. Regardless of the con-
tent in this section, Grizzly Industrial will
not be held liable for accidents caused by
lack of training.
Figure 10.
Figure 11.
Figure 11
Example 1:
1.
Figure A
2.
Figure B
3.
Figure B
Figure C
The handwheel should not be rotated
past this point. If it is, rotate it counterclock-
wise one full turn and “sneak” up on the mark
again. Once you are satisfied with the table
position lock it in place with the table locks.
030 30
060 60
030 30
30
060 60
030
060 60
Vernier Scale
Figure 11.
Continued on next page
130 30
060 60
130 30
060 60
130 30
060 60
130 30
060 60
Example 2:
Figure 12
1.
Figure
A
2.
Figure B
3. Figure C
Figure D
The handwheel should not be rotated
past this point. If it is, rotate it counterclock-
wise one full turn and “sneak” up on the mark
again. Once you are satisfied with the table
position, lock it in place with the table locks.
Figure 12.
Basic Example:
Figure 13.
Angular Indexing
Crank turns =
90
⁄N
N = 6
90
/6 = 15
1.
2.
—When you are cranking to a desired
number and crank too far, do not back up to
the number. You must back up one revolution
then dial back to the desired number, then
lock the table in place to locate the second
hole. This procedure eliminates backlash in
the worm gear.
Figure 13.
Installing Dividing
Plates
Components and Hardware Needed: Qty
Tools Needed: Qty
To install a dividing plate:
1.
2.
3.
4.
Figure 14
Figure 14.
5.
Figure 15
Figure 16.
The Model H7527 has three dividing plates
with the following hole circles:
Basic Example:
Crank turns =
90
⁄N
N = 17
90
⁄17 = 5
5
⁄17
1. Page 17 17
number of divisions
2.
3.
4.
It is important to always turn the
handle the same direction to avoid backlash
and maintain accuracy.
Simple Indexing
6.
Figure 16
The crank handle slot adjusts so the
indexing pin sits directly above the hole circle
chosen. To ease installation, place the pin in
the desired hole circle, then tighten the cap
screw.
Figure 15.
6.
7.
Figure 17
8.
9.
10.
11.
Figure
18
5.
What is actually being counted is the
spacing between the holes. Five spaces
need to be on the 17
th
hole circle between the
sector arms Figure 17 .
Figure 17.
12.
Figure 19
Figure 19.
13. Steps
8-12
Figure 18.
Figure 20.
Figure 24.
Figure 23.
Tailstock
.
To install the tailstock to your milling table:
1.
2.
3.
4.
In this example the
workpiece should be checked for concentric-
ity. Any error can be factored in during align-
ment.
5.
Figure 21
6.
Figure 22 & 23
7
8.
To align the Z axis:
1. Steps 5 -7
2.
Figure 24
3.
Figure 22.
Figure 21.
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