Grizzly G0933 Owner's Manual
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Grizzly G0933 Owner's Manual

Grizzly G0933 Owner's Manual

4' x 8' 4-axis cnc router w/vacuum table & linear tool changer
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MODEL G0933
4' X 8' 4-AXIS CNC ROUTER
W/VACUUM TABLE &
LINEAR TOOL CHANGER
OWNER'S MANUAL
(For models manufactured since 02/21)
COPYRIGHT © NOVEMBER, 2024 BY GRIZZLY INDUSTRIAL, INC.
WARNING: NO PORTION OF THIS MANUAL MAY BE REPRODUCED IN ANY SHAPE
OR FORM WITHOUT THE WRITTEN APPROVAL OF GRIZZLY INDUSTRIAL, INC.
#KS22553 PRINTED IN U.S.A.
V1.11.24
***Keep for Future Reference***

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Summary of Contents for Grizzly G0933

  • Page 1 (For models manufactured since 02/21) COPYRIGHT © NOVEMBER, 2024 BY GRIZZLY INDUSTRIAL, INC. WARNING: NO PORTION OF THIS MANUAL MAY BE REPRODUCED IN ANY SHAPE OR FORM WITHOUT THE WRITTEN APPROVAL OF GRIZZLY INDUSTRIAL, INC. #KS22553 PRINTED IN U.S.A. V1.11.24...
  • Page 2 This manual provides critical safety instructions on the proper setup, operation, maintenance, and service of this machine/tool. Save this document, refer to it often, and use it to instruct other operators. Failure to read, understand and follow the instructions in this manual may result in fire or serious personal injury—including amputation, electrocution, or death.

  • Page 3: Table Of Contents

    Table of Contents INTRODUCTION ..........2 SECTION 4: OPERATIONS ......52 Contact Info ........... 2 Operation Overview ........52 Manual Scope ..........2 Workpiece Inspection ........53 Manual Accuracy ........... 2 Choosing Tooling ......... 54 Identification ........... 3 Installing/Removing Tooling ......55 Controls &...

  • Page 4: Introduction

    The scope of this manual covers basic machine functions, operations, and maintenance associ- ated with the Model G0933 4' X 8' 4-Axis CNC Router w/Vacuum Table & Linear Tool Changer. Manufacture Date The Siemens© reference manuals included with...

  • Page 5: Identification

    Table (1 of 4) Vacuum Valves Electrical & Gauge Cabinet Handwheel Leveling Foot (1 of 6) Transformer 220V/380V Axis Direction Identification To reduce your risk of serious injury, read this entire manual BEFORE using machine. Model G0933 (Mfd. Since 02/21)

  • Page 6: Controls & Components

    — Green: Part program operating. machine control system (see Page 10 for additional information). C. EMERGENCY STOP Button (1 of 4): Turns machine and Sinumerik 808D control system OFF. To reset, twist button clockwise until it pops out. Model G0933 (Mfd. Since 02/21)
  • Page 7 Spindle: Motor shaft with a pneumatic draw bar capable of automatically securing and releasing an ISO30-ER32-50 tool holder. M. Pneumatic Cylinder: Provides pneumatic assistance when raising and lowering spindle during operations. Model G0933 (Mfd. Since 02/21)
  • Page 8 Figure 8. Vacuum pump. W. Vacuum Pump Motor: Creates vacuum suc- tion to hold workpiece to table. X. Vacuum Pump Filter: Filters air before it is pulled through vacuum pump motor. Figure 7. Pneumatic components. Model G0933 (Mfd. Since 02/21)
  • Page 9 AB. Vacuum Plug: Keeps debris out of unused ports. Remove plug when using port in that AF. Oil Reservoir: Holds one quart of T27914 vacuum zone. ISO 68 machine oil. AC. Vacuum Port: Holds workpiece to table to prevent movement during operation. Model G0933 (Mfd. Since 02/21)

  • Page 10: Panel Processing Unit (Ppu)

    B. USB Interface w/Cover: Connects external accessed through multi-button commands. storage medium to machine through USB interface. M. Alphanumeric Keys: Interface for entering alphanumeric characters on screen. C. Return Key: Returns to next higher-level menu screen. Model G0933 (Mfd. Since 02/21)

  • Page 11: Machine Control Panel (Mcp)

    K. Operating Mode Selection Area: Selects E. Feed Rate Override Switch: Overrides cur- operating mode. rent feed rate by increasing or decreasing feed rate as a percentage. Model G0933 (Mfd. Since 02/21)

  • Page 12: Ppu Display

    E. Side Button: Safety feature that allows ing, and messages are displayed with green operation of handwheel only when pressed. lettering. An arrow next to the alarm number indicates that more than one alarm is cur- rently active. -10- Model G0933 (Mfd. Since 02/21)

  • Page 13: Glossary Of Terms

    The following is a list of common definitions, terms and phrases used throughout this manual as they relate to this CNC router and woodworking in general. Become familiar with these terms for assembling, adjusting or operating this machine. Your safety is VERY important to us at Grizzly! Axis: Direction of movement. On a four-axis...
  • Page 14 Jog: Activating JOG feed mode allows the selec- signal. The object being sensed is often tion of manual feeds along a single linear or referred to as the proximity sensor's "target". rotational axis. -12- Model G0933 (Mfd. Since 02/21)
  • Page 15 Surfacing: The process of leveling the surface of or milling. a workpiece or spoilboard so it is perpendicu- lar to the spindle. Tool Changer: A mechanical apparatus used to automatically change cutting tools by pro- gram control on CNC machines. -13- Model G0933 (Mfd. Since 02/21)

  • Page 16: Machine Data Sheet

    X-Axis Motor Model ..............................Simotics S-1FL6 Frame Size .................................NEMA 52 Amps .....................................3A Rated Speed ..............................2000 RPM Type ..................................Servo Power Transfer ................................Gear Feedback Device ..............................Encoder Controller ................................Siemens -14- Model G0933 (Mfd. Since 02/21) Model G0933 Page 1 of 3...
  • Page 17 Body Construction ..............................Steel Paint Type/Finish..............................Enamel Cutting Information XYZ Work Envelope ......................51-3/16 x 98-7/16 x 15-3/4 in. Max Distance Spindle to Table ...........................15-3/4 in. Cutting Accuracy .............................+/-0.002 in. -15- Model G0933 (Mfd. Since 02/21) Page 2 of 3 Model G0933...
  • Page 18 Two-Stage Air Vacuum Pump (Requires Separate 3-Phase, 220V Power Connection) LED Work Light Automatic Oiler System Helical Rack & Pinion X & Y Gantry Travel 4th-Axis Machining Capability Around Y-Axis -16- Model G0933 (Mfd. Since 02/21) Model G0933 Page 3 of 3...

  • Page 19: Section 1: Safety

    Never operate under the influence of drugs or injury or blindness from flying particles. Everyday alcohol, when tired, or when distracted. eyeglasses are NOT approved safety glasses. -17- Model G0933 (Mfd. Since 02/21)
  • Page 20 EXPERIENCING DIFFICULTIES. If at any time debris. Make sure they are properly installed, you experience difficulties performing the intend- undamaged, and working correctly BEFORE ed operation, stop using the machine! Contact our operating machine. Technical Support at (570) 546-9663. -18- Model G0933 (Mfd. Since 02/21)

  • Page 21: Additional Safety For Cnc Routers

    This will prevent them from immediately. Do not use damaged tools as they being thrown by the spindle upon startup. are likely to break apart and could hit user with great speed and force. -19- Model G0933 (Mfd. Since 02/21)

  • Page 22: Section 2: Power Supply

    Model G0933 at 220V, 3-Ph ....28 Amps Vacuum Pump at 220V, 3-Ph ..... 21 Amps Nominal Voltage ..208V, 220V, 230V, 240V Cycle ............60 Hz...
  • Page 23 Disconnect Switch Power Source Machine You can find the Model H3741, a compatible phase converter, on our website at www.grizzly.com. H3741—30 HP Rotary Phase Converter This rotary phase converter allows you to operate Conduit Conduit 3-phase machinery from a single-phase power source at 100% power and 95% efficiency.

  • Page 24: Section 3: Setup

    IMPORTANT: Save all packaging materials until you are completely satisfied with the machine and have resolved any issues between Grizzly or the shipping agent. You MUST have the original pack- aging to file a freight claim. It is also extremely helpful if you need to return your machine later.

  • Page 25: Inventory

    Vacuum Pump ..........1 Figure 19. Crate 1 inventory. K. Vacuum Filter ..........1 L. Elbow Fitting 2 IPS ........1 M. Threaded Pipe 2 IPS 3" ......1 Figure 20. Box 1 inventory. -23- Model G0933 (Mfd. Since 02/21)
  • Page 26 AI. Main Valve Label ........1 AJ. Gasket Tubing ........68 ft. AK. Lock Nuts M6-1 .......... 5 AL. Vacuum Zone Label ........4 AM. Vacuum Valve Handles ......5 Figure 21. Box 2 inventory. -24- Model G0933 (Mfd. Since 02/21)

  • Page 27: Site Considerations

    Shadows, glare, or strobe effects that may distract access restricted location. or impede the operator must be eliminated. Wall Minimum 30" Electrical Cabinet Dust Port 128" Min. 30" Vacuum Hose Transformer 136" = Electrical Connection Figure 22. Minimum working clearances. -25- Model G0933 (Mfd. Since 02/21)

  • Page 28: Lifting & Placing Cnc Router

    — If using a forklift, proceed to Step 5. — If using lifting straps, proceed to Step 10 on Page 27. -26- Model G0933 (Mfd. Since 02/21)
  • Page 29 15. Repeat Steps 13–14 until all (6) eyebolts Mounting have been replaced with leveling feet, then proceed to Leveling on Page 28. Eyebolt Figure 27. Eyebolt location on mounting leg. -27- Model G0933 (Mfd. Since 02/21)

  • Page 30: Leveling

    For accurate cutting results and to prevent gradual warping of the table and frame, machine MUST be leveled from side to The Model G0933 gantry is extremely heavy side and from front to back on both ends. and prone to tipping over when unsecured.
  • Page 31 Step 5, lift gantry until it clears CNC router base, then slowly move gantry into position towards rear of base (see Figure 31). Figure 32. Gantry positioned over rear dust cover area and linear guideways. -29- Model G0933 (Mfd. Since 02/21)
  • Page 32 Thread each cap screw lightly so that needed if cap screws are binding or are dif- they may still be adjusted if needed. ficult to fully tighten. 12. Proceed to Assembly on Page 31. -30- Model G0933 (Mfd. Since 02/21)

  • Page 33: Assembly

    (see Figure 35). Gantry Column Servo Linear Motor Guideway Pulley Figure 37. Servo motor pulley meshed with linear guideway. Gib Screw (1 of 2) Linear Guideway Figure 35. Gantry column gib screw location. -31- Model G0933 (Mfd. Since 02/21)
  • Page 34 Figure 40. Example of cable carrier access area Locate tool probe plug and air tubing secured connections. underneath machine next to cable carrier access panel (see Figure 39). Remove any tie straps on plug and tubing. -32- Model G0933 (Mfd. Since 02/21)
  • Page 35 EMERGENCY STOP button base until they are snug against gantry column cover (see Figure 42). Gantry Column Cover (Top) Cutout Figure 44. Gantry column covers installed on gantry columns. Figure 42. EMERGENCY STOP button installed. -33- Model G0933 (Mfd. Since 02/21)
  • Page 36 Vacuum Valve Vacuum Valve Washer (1 of 2) (1 of 5) Handle (1 of 5) M16-1.5 Hex Nut Figure 46. Installing vacuum valve handles (vacuum valve cover removed for clarity). Figure 49. Pneumatic cylinder components. -34- Model G0933 (Mfd. Since 02/21)
  • Page 37 Figure 53. Example of oil tubing installed on guideway carriage. 29. Remove any cardboard protective covers, tape, and plastic wrap covering machine components, then proceed to Pneumatic System on Page 36. Push-to-Connect Fitting Figure 51. Air tubing connected. -35- Model G0933 (Mfd. Since 02/21)

  • Page 38: Pneumatic System

    Insert other end of tubing into push-to-con- nect fitting on air inlet side of air filter (see The Model G0933 pneumatic system supplies Figure 55). pressurized air to a pneumatic cylinder, which provides positioning for machine components Increase in-line air supply regulator to 90 PSI during operations (see Figure 54).

  • Page 39: Dust Collection

    Figure 57. Example of dust collection hose The Model G0933 includes a dust shoe (see attached. Figure 56) that connects to a dust collection sys- tem and brushes debris off of part surfaces as it Tug hose to make sure it does not come off.

  • Page 40: Lifting & Mounting Vacuum Pump

    Flat Washer Secure vacuum pump to concrete floor as instructed in Anchoring Vacuum Pump to Machine Base Floor. Lag Shield Anchor Concrete Drilled Hole Figure 58. Popular method for anchoring machinery to a concrete floor. -38- Model G0933 (Mfd. Since 02/21)

  • Page 41: Connecting Vacuum Pump & Filter

    The vacuum pump is connected to the Model vacuum filter inlet port before securing to G0933 with a 2" diameter vacuum hose located prevent air leaks during operation. underneath the table. The vacuum pump air filter removes particulates and debris created during operations.

  • Page 42: Power Connections

    To connect incoming power wires: Before the Model G0933 and vacuum pump can DISCONNECT POWER SUPPLY WIRES OR be connected to separate power sources, two LOCK DISCONNECT SWITCH BOX IN OFF...
  • Page 43 Terminal Block Connections Note: Lock the switch in the OFF position to restrict others from starting the machine. Figure 65. Example of electrical cabinet components location. Figure 67. Disconnecting power from vacuum pump. -41- Model G0933 (Mfd. Since 02/21)
  • Page 44 220V power will dam- conduit, then close cover. Leave some slack age the vacuum pump! in wires inside box. Delta Configuration Configuration (Required for 220V) (Required for 380V) CORRECT INCORRECT Figure 69. Vacuum pump junction box configurations. -42- Model G0933 (Mfd. Since 02/21)

  • Page 45: Test Run

    ON Button DO NOT change operating units of the Sinumerik 808D Control System from metric to standard without first consulting Grizzly Tech Support. Changes to these units may traverse machine components beyond set ranges and severely damage machine.
  • Page 46 EMERGENCY STOP Close right electrical cabinet door and secure, Button then proceed to Reference Point Test on Page 45. Figure 74. Resetting EMERGENCY STOP button. Proceed to Electrical Cabinet Door Safety Switch. -44- Model G0933 (Mfd. Since 02/21)
  • Page 47 "MY1" as Y-axis traverses towards machine zero. Open circle symbol chang- es to pinwheel symbol ( ) once reference point is established. Figure 79. Down-left Y-axis traverse key. Figure 76. MCP operating mode area. -45- Model G0933 (Mfd. Since 02/21)
  • Page 48 MCP (see Figure 84) to extinguish PPU status area alarms. Figure 82. Application area axis identifiers. Figure 84. RESET key location. Proceed to EMERGENCY STOP Button Proceed to Spindle Travel Test (Z-Axis) on (MCP). Page 47. -46- Model G0933 (Mfd. Since 02/21)
  • Page 49 "010621" will appear in PPU status area. Press RESET key (see Figure 89) to extin- guish PPU status area alarms. Figure 86. PPU machining screen. Figure 89. RESET key on MCP. -47- Model G0933 (Mfd. Since 02/21)
  • Page 50 Turn spindle override switch to 100, then press SPINDLE LEFT key. — SPINDLE LEFT light will illuminate and spindle will rotate counterclockwise. Spindle Override Switch Figure 91. MCP override switches and keys. -48- Model G0933 (Mfd. Since 02/21)
  • Page 51 (see Figure 95). wise direction. — PPU status area will display alarm 700010. — Y-axis moves in positive direction (rear) with clockwise rotation of jog wheel, and in negative direction (front) with counter- clockwise rotation. -49- Model G0933 (Mfd. Since 02/21)
  • Page 52 15. On handwheel, twist Emergency Stop button clockwise until it springs out, press RESET key on MCP, then proceed to EMERGENCY STOP Buttons (Gantry). Figure 97. Jog key on MCP. -50- Model G0933 (Mfd. Since 02/21)
  • Page 53 Vacuum Pump Test STOP button to disable machine controls and This procedure verifies operation of the vacuum display two alarms (003000, 700016) in PPU pump on the Model G0933. status area. To test vacuum pump: WITHOUT resetting EMERGENCY STOP button, try to operate controls on MCP.

  • Page 54: Section 4: Operations

    Regardless of the content in this sec- tion, Grizzly Industrial will not be held liable 16. Turns machine OFF, then turns dust collec- for accidents caused by lack of training.

  • Page 55: Workpiece Inspection

    This machine is NOT designed to cut metal, glass, stone, tile, etc.; cutting these materi- als with this machine may lead to injury or damage. -53- Model G0933 (Mfd. Since 02/21)

  • Page 56: Choosing Tooling

    — Use a form bit to cut a profile with a uni- form contour, such as an ogee or round over. — Use a chipbreaker or rougher for rough cuts and quickly removing a large amount of material when the finish does not matter. -54- Model G0933 (Mfd. Since 02/21)

  • Page 57: Installing/Removing Tooling

    Installing/Removing Note: The Model G0933 includes an ER32 tightening fixture on the right gantry column Tooling that can be used to loosen or tighten collet nut on tool holder, as shown in Figure 102. Tool Holder Cutting bits are sharp! To...
  • Page 58 Grasp tool holder to prevent it from dropping on table. Figure 106. Tool holder in tool holder clamp. Press green tool change button on front of spindle to release tool holder (see Figure 104). -56- Model G0933 (Mfd. Since 02/21)

  • Page 59: Creating A Tool

    — Tool list window will open automatically with a new cutting edge added. Cutting edge specifications can be entered at this time (see Figure 109). Figure 107. New tool window. Figure 109. Tool list window. -57- Model G0933 (Mfd. Since 02/21)

  • Page 60: Changing Tools

    IMPORTANT: Tools shown in the tool list are not active unless they have been activated in the T,S,M window, or in MDA mode. The Model G0933 indexes eight individual tool holders in an 8-position linear tool magazine. Tool To activate tool & spindle: changes can be cycled manually, automatically, or written into a parts program.
  • Page 61 — Spindle will traverse towards LTM, unload SINUMERIK 808D User Manual included current tool, then install selected tool. with your machine. — With CHIP REV key active, spindle will traverse towards tool probe and measure installed tool after tool change. -59- Model G0933 (Mfd. Since 02/21)

  • Page 62: Setting Machine Reference Point

    Note: If REF POINT or ROV lights above Figure 114. MCP direction-traversing keys. keys are not illuminated, press associated key to turn light ON. Figure 115. Application area axis identifiers. Figure 113. MCP operating mode area. -60- Model G0933 (Mfd. Since 02/21)

  • Page 63: Adjusting Axis Position Manually

    — After approximately 30 seconds, key pads Knowing how to manually control axis movement will stop flashing and display will show is an essential part of operating the Model G0933. machining screen. Axes must be positioned manually whenever a work origin is set.

  • Page 64: Creating A Part Program

    Creating a Part Program Before operations can begin on the Model G0933, Figure 118. PPU filename window. a part program must be designed and converted to G-code, then processed through the Sinumerik Press OK soft key to confirm filename. 808D control system.

  • Page 65: Transferring A Part Program

    Press SERV. DISPL. soft key, then press SERVICE CONTROL soft key. Press DIRECT CONNECT. soft key to estab- lish a direct network connection with machine control system. Figure 120. USB interface location on PPU. -63- Model G0933 (Mfd. Since 02/21)

  • Page 66: Part Program Simulation

    G-code coordinates (see Figure 122). Before executing a part program on the Model G0933, the part program must be proven on the Sinumerik 808D control system to establish that tooling requirements, speeds, and tool paths are accurate and free of errors.

  • Page 67: Securing Workpiece On Table

    Slide T-bolts into T-slots, then adjust wing nuts and hex bolts so clamp plates are higher than workpiece (see Figure 124). The Model G0933 comes with a vacuum table that has four vacuum zones separated by T-slots. Note: Place a piece of scrap wood under the...
  • Page 68 (see Figure 125). Gasket Tube Figure 125. Example of gasket tube cut to size to seal workpiece to vacuum zone. -66- Model G0933 (Mfd. Since 02/21)

  • Page 69: Using A Spoilboard

    ⁄ " or less. the spoilboard may be sufficient to secure workpiece. Always verify workpiece is secure before beginning work operations. -67- Model G0933 (Mfd. Since 02/21)

  • Page 70: Section 5: Accessories

    ⁄ T32931— " X-CARVE CNC Router Bit Set To reduce this risk, only install accessories recommended for this machine by Grizzly. NOTICE Refer to our website or latest catalog for additional recommended accessories. V-Carve CNC Router Software T28100—V-Carve Desktop Software...
  • Page 71 Each can holds 5 ounces of oil. Figure 132. T26419 Syn-O-Gen Synthetic Grease. Figure 134. High-pressure oil can for ball oilers. www.grizzly.com 1-800-523-4777 order online at or call -69- Model G0933 (Mfd. Since 02/21)

  • Page 72: Section 6: Maintenance

    To reduce risk of shock or accidental startup, always disconnect machine from power before adjustments, Cleaning the Model G0933 is relatively easy. maintenance, or service. Vacuum excess wood chips and sawdust, and wipe off the remaining dust with a dry cloth.
  • Page 73 Oiler System Operation Dispense The Model G0933 linear guide rails and ball screw Time in require regular lubrication to perform properly. Seconds Light The oiler system (see Figure 135) on the rear of the gantry pumps oil to these components.
  • Page 74 Use clean shop rag to wipe entire length of Use clean brush to wipe entire length of heli- axes guideways with Grizzly T27914 or ISO cal and linear gear with Grizzly T26419 or 68 equivalent (see Figure 139). NLGI#2 Equivalent (see Figure 138).

  • Page 75: Warranty & Returns

    WARRANTY & RETURNS Grizzly Industrial, Inc. warrants every product it sells for a period of 1 year to the original purchaser from the date of purchase. This warranty does not apply to defects due directly or indirectly to misuse, abuse, negligence, accidents, repairs or alterations or lack of maintenance.

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