Grizzly G5960 Bedienungsanleitung

WARNING: NO PORTION OF THIS MANUAL MAY BE REPRODUCED IN ANY SHAPE

OR FORM WITHOUT THE WRITTEN APPROVAL OF GRIZZLY INDUSTRIAL, INC.

PRINTED IN CHINA

ONLINE MANUAL DISCLAIMER

THE INFORMATION IN THIS MANUAL REPRESENTS THE CONFIGURATION OF THE MACHINE AS IT IS CURRENTLY BEING SHIPPED. THE

MACHINE CONFIGURATION CAN CHANGE AS PRODUCT IMPROVEMENTS ARE INCORPORATED. IF YOU OWN AN EARLIER VERSION OF THE

MACHINE, THIS MANUAL MAY NOT EXACTLY DEPICT YOUR MACHINE . CONTACT CUSTOMER SERVICE IF YOU HAVE ANY QUESTIONS

ABOUT DIFFERENCES. PREVIOUS VERSIONS ARE NOT AVAILABLE ONLINE.

COLLET CLOSER

MODEL G8143

INSTRUCTION MANUAL

FOR USE WITH METAL CUTTING LATHE MODEL G5960 AND G7958

WARNING

Some dust created by power sanding, sawing, grind-

ing, drilling, and other construction activities contains

chemicals known to the State of California to cause

cancer, birth defects or other reproductive harm.

Some examples of these chemicals are:

• Lead from lead-based paints.

• Crystalline silica from bricks, cement, and

other masonry products.

• Arsenic and chromium from chemically treated

lumber.

Your risk from these exposures varies, depending on

how often you do this type of work. To reduce your

exposure to these chemicals: work in a well ventilat-

ed area, and work with approved safety equipment,

such as those dust masks that are specially

designed to filter out microscopic particles.

G8143 Collet Closer -1-

Safety Instructions For Metalworking Machines

METALWORKING EQUIPMENT

SAFETY INSTRUCTIONS

5. KEEP CHILDREN AND VISITORS

AWAY. All children and visitors should be

kept at a safe distance from work area.

6. MAKE WORK SHOP CHILD PROOF with

padlocks, master switches, or by removing

starter keys.

7. DO NOT FORCE TOOL. It will do the job

better and safer at the rate for which it was

designed.

8. USE RIGHT TOOL. DO NOT force tool or

attachment to do a job for which it was not

designed.

1. READ AND UNDERSTAND MACHINE

OWNERS MANUAL FOR YOUR LATHE.

2. REMOVE ADJUSTING KEYS AND

WRENCHES. Form a habit of checking to

see that keys and adjusting wrenches are

removed from tool before turning on.

3. KEEP WORK AREA CLEAN. Cluttered

areas and benches invite accidents.

4. DO NOT USE IN DANGEROUS ENVI-

RONMENT. DO NOT use power tools in

damp or wet locations, or where any flam-

mable or noxious fumes may exist. Keep

work area well lighted.

For Your Own Safety Read Instruction

Manual Before Operating This Equipment

Indicates an imminently hazardous situation which, if not avoided,

WILL result in death or serious injury.

Indicates a potentially hazardous situation which, if not avoided,

COULD result in death or serious injury.

Indicates a potentially hazardous situation which, if not avoided,

MAY result in minor or moderate injury.

This symbol is used to alert the user to useful information about

proper operation of the equipment or property damage hazards.

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.

NOTICE

G8143 Collet Closer-2-

9. USE PROPER EXTENSION CORD. Make

sure your extension cord is in good condi-

tion. Conductor size should be in accor-

dance with the chart below. The amperage

rating should be listed on the motor or tool

nameplate. An undersized cord will cause

a drop in line voltage resulting in loss of

power and overheating. Your extension

cord must also contain a ground wire and

plug pin. Always repair or replace exten-

sion cords if they become damaged.

Minimum Gauge for Extension Cords

10. WEAR PROPER APPAREL. DO NOT

wear loose clothing, gloves, neckties,

rings, bracelets, or other jewelry which

may get caught in moving parts. Non-slip

footwear is recommended. Wear protec-

tive hair covering to contain long hair.

11. ALWAYS USE SAFETY GLASSES.

Everyday eyeglasses only have impact resis-

tant lenses, they are NOT safety glasses.

12. SECURE WORK. Use properly secured

clamps or vises to hold work while per-

forming the machining operation

13. DO NOT OVER-REACH. Keep proper

footing and balance at all times.

14. MAINTAIN TOOLS AND MACHINERY

WITH CARE. Keep tools sharp and clean

for best and safest performance. Follow

instructions for lubricating and changing

accessories.

15. USE RECOMMENDED ACCESSORIES.

Consult the owner’s manual for recom-

mended accessories. The use of improper

accessories may cause risk of injury.

LENGTH

AMP RATING 25ft 50ft 100ft

0-6 16 16 16

7-10 16 16 14

11-12 16 16 14

13-16 14 12 12

17-20 12 12 10

21-30 10 10 No

Safety Instructions For Metalworking Tools

16. REDUCE THE RISK OF UNINTENTIONAL

STARTING. On machines with magnetic

contact starting switches there is a risk of

starting if the machine is bumped or jarred.

Always disconnect from power source

before adjusting or servicing. Make sure

switch is in OFF position before reconnecting.

17. CHECK DAMAGED PARTS. Before further

use of the tool, a guard or other part that is

damaged should be carefully checked to

determine that it will operate properly and

perform its intended function. Check for

alignment of moving parts, binding of mov-

ing parts, breakage of parts, mounting, and

any other conditions that may affect its

operation. A guard or other part that is dam-

aged should be properly repaired or

replaced.

18. NEVER LEAVE MACHINE RUNNING

UNATTENDED. TURN POWER OFF. DO

NOT leave machine until it comes to a com-

plete stop.

19. SOME COOLANTS USED FOR MACHIN-

ING MAY CONTAIN HAZARDOUS CHEMI-

CALS. Read and understand all user infor-

mation on the coolant container and protect

yourself accordingly.

20. NEVER OPERATE A MACHINE WHEN

TIRED, OR UNDER THE INFLUENCE OF

DRUGS OR ALCOHOL. Full mental alert-

ness is required at all times when running a

machine.

No list of safety guidelines can be com-

plete. Every shop environment is different.

Always consider safety first, as it applies to

your individual working conditions. Use

this and other machinery with caution and

respect. Failure to do so could result in

serious personal injury, damage to equip-

ment or poor work results.

G8143 Collet Closer -3-

To begin assembly, follow these initial safety

instructions.

1. Disconnect the lathe from the power

source!

2. Remove the chuck or any other device that is

mounted to the spindle. (Refer to your

owner’s manual.)

3. Make sure the 5-C Collet/Morse Taper

Adapter (included in the kit) and the spindle

opening are clean and free of oil. Use a soft

cloth or rag to wipe up any contaminant.

Disconnect power to your lathe before

beginning installation of the Model

G8143 Collet Closer.

The Model G8143 Collet Closer allows you to

quickly interchange 5-C collets on your Model

G5860 or Model G7958 Metal-Cutting Lathe. The

positive-locking handle clamps standard 5-C col-

lets safely and securely for precision turning.

Grizzly also offers an extensive line of precision-

ground 5-C collets, ideal for use with the Model

G8143 Collet Closer. See the latest Grizzly

Catalog or visit our web site at www.grizzly.com

for price and ordering information.

Most importantly, we stand behind our tools. If

you have any service questions or parts requests,

please call or write us at the location listed below.

Grizzly Industrial, Inc.

1203 Lycoming Mall Circle

Muncy, PA 17756

Phone: (570) 546-9663

Fax: (800) 438-5901

e-Mail: [email protected] Site:

http://www.grizzly.com

Mounting the Model G8143 requires the use of a

few simple tools.

Tools Required:

— Adjustable wrench

— 3MM hex key

— 4MM hex key

To remove the lathe cover and the mounting

studs:

Remove the end cover from the lathe by

unscrewing the cover knobs on the left end of the

lathe as shown in Figure 1.

Cover Removal

Commentary

INTRODUCTION

Figure 1. Lathe cover removal.

Figure 4. Installing hub adapter.

Figure 3. Installing hub adapter.

G8143 Collet Closer-4-

Figure 2. Hub separation. Pivot Connector

3. Install the half of the hub adapter with the

setscrews onto the outboard spindle shaft

shown in Figure 3.

4. Tighten all three setscrews.

5. Replace the lathe cover and secure the bot-

tom knob. Note—You may have to bore out

the lathe cover spindle hole to a larger diam-

eter for the hub adapter to fit through and

operate correctly.

6. Install the outer half of the hub adapter back

into place (Figure 4) and install and tighten

the cap screws.

To install the pivot connector:

Remove the pivoting rod connector from the draw

tube assembly by removing the 8mm cap screw

and threading it onto the replacement stud as

shown in Figure 5. Make sure you have replaced

the lathe cover!

This pivot will allow the locking yoke to be

secured to the lathe while providing a range of

motion to engage the locking mechanism. The

pivot connector should be secured tightly to the

stud and the pivot pin should be in a horizontal

position, allowing the pivot to move up and down.

Setscrews

Cap screws

Hub Separation

To install the hub adapter to the outboard

spindle

1. Remove the hub adapter from the draw tube

assembly.

2. Unscrew the cap screws, shown in Figure 2,

holding the two pieces of the hub adapter

together. Note—The hub adapter halves are

machined for a very tight fit. Once the cap

screws are removed, hit them apart with a

rubber mallet.

G8143 Collet Closer -5-

Figure 8. Rotating collet in spindle to

engage with adjusting hub.

2. Place the collet in the collet adapter, so the

collet threads are exposed out of the back

end of the collet adapter as shown in Figure

Figure 7. Collet in collet adapter.

3. Hold the adjusting hub with your left hand

and thread the collet and adapter into the

front spindle with your right hand to engage

the draw tube, as shown in Figure 8.

The draw tube assembly comes attached to the

locking yoke and connecting rod. Remove the

locking yoke and connecting rod by unscrewing

the setscrews that connect the locking yoke to the

bearing housing.

To install the draw tube assembly into your

lathe:

1. Insert the draw tube assembly into the out-

board spindle as shown in Figure 6. Slide

the draw tube assembly all the way into the

outboard spindle until it engages around the

hub adapter.

Tube Assembly

Figure 6. Draw tube assembly inserted.

Collet Threads

Figure 5. Pivot connector.

4. Turn the collet 4 to 5 complete revolutions.

Additional fine adjustments will be covered

later.

Figure 11. Completed collet closer assembly.

G8143 Collet Closer-6-

2. Please note that the rod connector is sup-

plied with jam nuts. It may be necessary to

remove these nuts to allow for the proper fit

of the assembly on some lathes.

3. Install the handle to the yoke. Note—If you

have trouble positioning the locking yoke so

it is aligned with the draw tube in the next two

steps, adjust the length of the connecting rod

by threading it more or less into the pivot

connectors and try again.

4. Make sure the locking yoke and the rod con-

nector are secured to the mounting stud and

the pivoting rod connecter.

5. Position the locking yoke back inline with the

setscrew holes on the draw tube assembly,

then secure the setscrews and the jam nuts

as shown in Figure 10.

Figure 9. Connecting rod and locking yoke

installed on pivot connector.

Locking Yoke

Figure 10. Tightening yoke setscrews.

6. Thread the setscrews on both sides of the

locking yoke into the holes on both sides of

the bearing housing. Make sure the

setscrews are completely and evenly

engaged into the holes, without being tight.

7. The yoke should have no play from side-to-

side, but still pivot freely. Tighten the jam

nuts.

8. The ideal locked position for the collet closer

is shown in the completed assembly diagram

in Figure 11.

Locking

Yoke

Connecting

Rod Pivot Connector

To secure the locking yoke to your lathe:

1. Align the connecting rod and locking yoke

assembly onto the pivoting rod connector

and secure them together with the 8mm cap

screw as shown in Figure 9.

G8143 Collet Closer -7-

Locking Stroke

To adjust the locking stroke on your collet

closer:

1. Position the locking pawls so they are in the

correct position on the cam as shown in

Figure 12.

2. Secure the 38mm spanner nut against the

outboard side of the bearing housing and

then secure the 30mm spanner nuts against

the 38mm spanner nut as shown in Figure

13. Note—Be sure that the 30mm spanner

with the setscrew is on the outside, with the

setscrew accessible.

Figure 12. Locking pawls in locked position

on the cam lobe.

Figure 13. Spanner nut positioning for locking

stroke adjustment.

30mm spanners

Locking Pawl

38mm spanner

Figure 14. Stroke adjustment assembly.

The mechanism that controls the stroke is depict-

ed in detail in Figure 14.

3. The two 30mm spanners define the stroke

distance. Secure the setscrew in the outer

30mm spanner nut to lock the stroke dis-

tance.

Make sure proper turning clearance exists

between the bearing casing and the locking

yoke before operation. Serious personal

injury or damage to the lathe and collet

closer can occur if there is contact. Rotate

draw tube and check for clearance. DO NOT

make adjustments, remove workpiece or

open back cover of lathe while the machine

is in motion.

To adjust your 5-C collet in the collet closer

assembly:

1. Choose a 5-C collet that is suitable for the

intended stock size to be turned.

2. Line up the collet keyway with the collet

adapter pin and insert the collet until it stops,

then gently rotate it for final alignment.

3. Gently push on the end of the draw tube until

it engages the collet threads in the spindle,

and rotate the adjusting hub in a clockwise

fashion (as viewed from the outboard end of

the lathe in Figure 8).

—If the draw tube fails to touch the collet,

remove the collet and look into the spindle to

see if the draw tube is accessible for proper

engagement. If the collet cannot touch the

draw tube when inserted into the spindle, see

the following section on “Rough Adjustment.”

If the collet does reach, try again to thread

the collet and adapter into the spindle by fol-

lowing the guidelines in the “Tube Assembly”

sub-section of this manual.

Installing 5-C Collet

G8143 Collet Closer-8-

Figure 15. Locking pin positions.

3. Rotate the draw tube counter-clockwise at

the end of the collet closer (Figure 16)to

unthread the collet.

Removal of 5-C

Collet

Figure 16. Location to rotate draw tube to

remove or replace 5-C collets.

To remove or replace your 5-C collet in the

collet closer assembly:

1. Choose a 5-C collet that is suitable for the

intended stock size to be turned.

2. Disengage the hub locking pin so the flat is

turned toward the outer rim of the hub

adapter as shown in Figure 15.

Pin Disengaged

Engaged

The draw tube threads may be sharp. To

avoid cutting your hands, use a clean rag

to rotate the draw tube.

4. Remove the collet from the collet adapter

and insert the new 5-C collet.

5. Rotate the draw tube clockwise at the end of

the collet closer to engage the new collet

threads.

6. Engage the hub locking pin back into place

as shown in Figure 15.

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