Grizzly G8145Z, G8146Z, G8144Z owner manual Cutting Operations

Page 42

Motor & Electrical (continued)

Symptom

Possible Cause

Possible Solution

Machine has vibra-

1.

V-belt(s) worn or loose.

1.

Inspect/replace belts with a new matched set (Page

tion or noisy opera-

 

 

 

41).

tion.

2.

Pulley is loose.

2.

Realign/replace shaft, pulley, set screw, and key as

 

 

 

 

 

required.

 

3.

Motor mount loose/broken.

3.

Tighten/replace.

 

4.

Machine is incorrectly mounted or sits

4.

Tighten/replace anchor studs in floor; relocate/shim

 

 

unevenly.

 

machine.

 

5.

Workpiece is loose.

5.

Use the correct holding fixture and reclamp

 

 

 

 

workpiece.

 

6.

Motor fan is rubbing on fan cover.

6.

Replace dented fan cover; replace loose/damaged

 

 

 

 

fan.

 

7.

Motor bearings are at fault.

7.

Test by rotating shaft; rotational grinding/loose shaft

 

 

 

 

requires bearing replacement.

 

8.

Blade is at fault.

8.

Re-tension/replace blade (Pages 28 & 29).

 

9.

Blade wheels out of alignment.

9.

Re-align blade wheels (Page 42).

 

 

 

 

Cutting Operations

 

 

Symptom

Possible Cause

Possible Solution

Machine slows when

1.

Feeding workpiece too fast.

1.

Reduce feed rate/increase blade speed.

operating.

2.

Blade is dull.

2.

Replace blade (Page 28).

 

 

 

 

 

Ticking sound when

1.

Blade weld contacting blade guide/support

1.

Inspect/re-grind blade weld (Page 33); re-adjust

the saw is running.

 

(a light ticking is normal).

 

blade guides/support (Page 31).

 

 

2.

Blade weld may be failing.

2.

Inspect weld and re-weld blade if necessary (Page

 

 

 

 

 

33), or replace blade (Page 28).

 

 

 

 

 

 

Blade

contacting

1.

Table improperly mounted or aligned.

1.

Properly align table (Page 44).

table.

 

 

 

 

 

 

 

 

 

 

Vibration when cut-

1.

Workpiece is loose.

1.

Use the correct holding fixture and reclamp

ting.

 

 

 

 

workpiece.

 

 

2.

Loose or damaged blade.

2.

Re-tension/replace blade (Pages 28 & 29).

 

 

3.

Metal chip buildup on wheels.

3.

Clean metal chips from wheels.

 

 

 

 

 

Rough or poor qual-

1.

Feeding workpiece too fast.

1.

Reduce feed rate/increase blade speed.

ity cuts.

2.

Incorrect blade for operation; worn or dam-

2.

Use the correct blade for the operation (Page 23);

 

 

 

aged blade.

 

replace worn or damaged blade (Page 28).

 

 

3.

Blade guides/support adjusted incorrectly.

3.

Correctly adjust blade guides/support (Page 31);

 

 

 

 

 

set the blade guides approximately 1/8" above

 

 

 

 

 

workpiece.

 

 

 

 

 

 

Blade

wanders or

1.

Blade lead.

1.

Re-tension/replace blade (Pages 28 & 29).

doesn't cut straight.

2.

Metal chip buildup on wheels.

2.

Clean metal chips from wheels.

 

 

 

 

 

Cuts are not square

1.

Table tilt is not adjusted to "0".

1.

Adjust table to "0" tilt.

(vertically).

2.

Table is not square to the blade.

2.

Adjust table square with blade (Page 44).

 

 

 

 

 

Wheel is noisy.

1.

Wheel bearing is worn out.

1.

Replace wheel bearing.

 

 

2.

V-belt is too tight (lower wheel).

2.

Check/re-tension the V-belt (Page 41).

 

 

 

 

 

Blade does not track

1.

Wheels are not coplanar or aligned with

1.

Adjust wheels to be coplanar/aligned with one

consistently, cor-

 

each other.

 

another (Page 42).

rectly, or at all.

2.

Rubber tires on wheels are worn out.

2.

Redress the rubber tires on the wheels (Page 37).

 

 

 

 

 

 

 

 

-40-

G8144Z/G8145Z/G8146Z

(Manufactured Since 6/11)

 

Image 42
Contents Variable Speed Vertical Metal Cutting Bandsaw Page Table of Contents Introduction ForewordContact Info Machine Data Sheet Main Specifications Operation Info G8145Z Machine Data Sheet 108 1800 FPM G8146Z Machine Data Sheet 105 2100 FPM Model G8144Z/G8145Z Basic Identification Model G8146Z Basic Identification Control Panel Identification Model G8146Z onlyWearing Proper APPAREL. Do not wear SafetySafety Instructions for Machinery Hearing PROTECTION. Always wear hearSafety Instructions for Machinery Safety Instructions for Metal Cutting Bandsaws Circuit Requirements 220V OperationItems Needed for Setup SetupSetup Safety UnpackingSite Considerations Clean UpPlacement Location Floor LoadMounting to Shop Floor Moving & PlacingBolting to Concrete Floors Model G8146Z only Test RunTo test run the bandsaw Model G8144Z/G8145Z Control PanelModel G8146Z only Operation Safety Basic Controls OperationsModel G8144Z/G8145Z Model G8146Z Model G8144Z/G8145Z blade ControlsBlade Length Blade SelectionBlade Terminology Blade WidthTooth Set Tooth TypeBlade Pitch TPI To select the correct blade pitchBlade Care Blade BreakageBlade Care Break-In Blade Break-InChip Inspection Chart Cutting Overview Blade Changes To replace the bladeBlade Tensioning To correctly tension the bladeModel G8144Z/G8145Z Figure Guide PostTo properly position the guide post Model G8146Z FigureAdjusting Blade Guides To properly adjust the upper and lower blade guidesAdjusting Table Tilt To adjust the table tiltUsing the blade shear to cut Blade Blade WeldingBlade Width Pressure Setting Blade clamping pressure chartCorrect Not Correct Correct Not CorrectH5408-Blade Tensioning Gauge AccessoriesGrizzly Bandsaw Blades Model Material Length WidthSchedule MaintenanceCleaning Redressing Rubber TiresLubrication Service TroubleshootingMotor & Electrical Cutting Operations Belt Pulley Tensioning Alignment Replacing V-Belts To check/tension/replace the V-beltsWheel Alignment Coplanarity GaugeAdjusting Lower Wheel Checking Wheel CoplanarityTo adjust the Model G8146Z upper wheel To adjust the table square to the bladeAligning Table To Blade Blade Guides Support G8144Z/G8145Z Control Panel & Inverter Wiring Diagram See FigureDigital display wiring see wiring Diagram on G8144Z/G8145Z Electrical ComponentsG8146Z Electrical & Control Wiring Diagram Control PanelG8146Z Inverter Wiring Diagram See onControl panel wiring see wiring G8146Z Electrical ComponentsMotor Wiring Diagram G8144Z/G8145ZSee Welding Station Wiring Diagram See G8146ZG8144Z Cabinet Breakdown & Parts List PartsG8144Z Table & Guides Breakdown Parts List 124G8144Z Drive System Breakdown G8145Z Cabinet Breakdown & Parts List G8145Z Table & Guides Breakdown Parts List G8145Z Drive System Breakdown G8146Z Cabinet Breakdown & Parts List G8146Z Table & Lower Guide Breakdown Parts List G8146Z Motor & Lower Wheel Breakdown Parts List G8146Z Guide Post Breakdown & Parts List DescriptionG8146Z Upper Wheel Breakdown & Parts List Welder Station Breakdown Welder Station Parts List Label Placement & List Warranty Card CommentsGrizzly INDUSTRIAL, INC BOX BELLINGHAM, WAWarranty and Returns Order Hours a DAY
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G8144Z, G8146Z, G8145Z specifications

Grizzly G8145Z, G8146Z, and G8144Z are a trio of high-performance wood lathe machines designed for serious woodworkers and artisans. Each model in this series provides distinct features and capabilities that cater to various turning needs, from hobbyist projects to professional craftsmanship.

The Grizzly G8145Z is particularly known for its robust construction and versatility. It features a powerful 2 HP motor that delivers ample torque for handling both hard and softwoods with ease. The lathe's variable speed control allows users to adjust speeds from 600 to 2400 RPM, providing flexibility for a wide range of turning applications. The 14-inch swing over bed and a 40-inch between centers make it suitable for turning larger pieces, with precise control afforded by its heavy-duty cast iron bed.

The G8146Z model ups the ante with enhanced features geared toward professional woodturners. It boasts a larger 16-inch swing and a 48-inch distance between centers, accommodating more extensive workpieces. The innovative digital readout provides accurate spindle speed and position information, which enhances user precision and convenience. Additionally, the G8146Z comes with an advanced electronic speed control system that maintains consistent speeds under load, ensuring smooth operation no matter the project.

Complementing this impressive lineup is the G8144Z, a lathe designed with both user-friendliness and versatility in mind. With a 1 HP motor, it is perfectly suited for beginners and intermediate woodworkers alike. The G8144Z features a 12-inch swing and a 36-inch bed length, making it an excellent choice for smaller projects while still capable of handling a variety of turning tasks. Its easy-to-use tailstock and tool rest adjustments make setup and operation straightforward, allowing users to focus on their creativity rather than on mechanisms.

All three models come with several safety features, including a quick release tailstock and a spindle lock, ensuring secure operation. Moreover, they are equipped with robust dust ports that help maintain a clean workspace. Each lathe also supports various accessories, such as different types of tool rests and faceplates, giving woodworkers the options they need for specialized turning.

In conclusion, the Grizzly G8145Z, G8146Z, and G8144Z wood lathes stand out in their class due to their powerful motors, adjustable speeds, and user-friendly designs. Whether you’re a novice looking to develop your skills or a seasoned pro producing intricate designs, these lathes provide excellent performance and reliability for all your woodturning projects.