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- Page 1 COMPONENT AUTOMATION Equipment Manual ™ TWIN-AXIS SHEATHING SAW 001059 DRAFT CAUTION: MiTek recommends printing this manual in high resolution using color ink. Many of the graphics may be unclear and may create an unsafe condition if this recommendation is not followed.
- Page 2 Equipment Manual ™ TWIN-AXIS SHEATHING SAW Part # and Rev. 001059 DRAFT ® Copyright © 2021 MiTek Print Date 23 February 2021 All rights reserved. Effectivity Frame 7 Patented. See Legal Notice for list of patents. Revision Date Manual applies to United States equipment.
- Page 3 Legal Notice Patents Made and sold under one or more of the following patents: U.S. 4,986,052 U.S. 5,837,014 U.S. 6,219,975 U.S. 5,385,339 U.S. 5,854,747 U.S. 6,260,263 U.S. 5,493,834 U.S. 5,873,567 U.S. 6,317,980 U.S. 5,568,862, U.S. 5,884,448 U.S. 6,389,762 U.S. 5,630,697 U.S.
- Page 4 Corrections and Improvements To report errors or recommend improvements to this manual, please complete the Document Evaluation Form in the appendices. Mail or fax the form to: MiTek Machinery Division 301 Fountain Lakes Industrial Drive St. Charles, MO 63301 Attn: Engineering Manager, Fax: 636-328-9218 Use this page to record service bulletins and notices that you receive to keep your manual updated.
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Page 5: Table Of Contents
Safety Tests ..........xvii Inspecting the Twin-Axis Sheathing Saw ......xvii E-Stop Test . - Page 6 <machine name only>: <chapter title> Using the Toolbar ..........16 Using the Status Menu .
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Page 7: Safety (English)
Chapter 1 Safety (English) Safety Indicator Signal Words The following signal words and colors are used throughout this document to indicate safety hazards. Pay careful attention when you see them. The level of severity differs for each signal word and color. Signal words are accompanied by graphics showing what personnel should or should not do. -
Page 8: General Safety & Equipment Rules
Twin-Axis Sheathing Saw: Safety General Safety & Equipment Rules Because it is impossible to anticipate every circumstance that might involve a hazard, the safety information provided in this equipment manual and on the machine is not all-inclusive. If this machine is operated or serviced using a... - Page 9 An E-stop may cause components to move without warning. • Only use procedures described in this manual. Any other procedures should be discussed with MiTek to verify it is done safely. For topics not covered in this manual or online, contact MiTek for advice.
- Page 10 Never disconnect or bypass any safety device or electrical interlock. • Torque bolts and fasteners to the specifications given by MiTek. If no torque specification is given, use industry standards. • Only qualified maintenance personnel shall make adjustments or remove, repair, or install safety devices.
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Page 11: General Warnings
Twin-Axis Sheathing Saw: Safety General Warnings WARNING HIGH VOLTAGE ELECTRICITY! May cause serious personal injury or death. Ensure only qualified electricians perform electrical service work. WARNING Read the equipment manual, safety labels, and all safety information provided before operating or maintaining this equipment. -
Page 12: Lockout/Tagout
Twin-Axis Sheathing Saw: Safety Lockout/Tagout Lockout/Tagout Guidelines Lockout/tagout all energized systems before performing maintenance on them. All lockout/tagout guidelines must be met according to OSHA 29 CFR 1910.147. A specific procedure should be included in your company’s energy control program. This manual is not intended to replace your company’s de- energizing or lockout/tagout procedure required by OSHA, but merely to provide general guidance. -
Page 13: Electrical Lockout/Tagout Procedures
Twin-Axis Sheathing Saw: Safety Electrical Lockout/Tagout Procedures Working on a Machine Outside the Machine’s Main Electrical Enclosure If you are working on the electrical transmission line to the machine, follow the procedure on page xv. Before performing maintenance on any machine with electrical power, lockout/ tagout the machine properly. - Page 14 Twin-Axis Sheathing Saw: Safety Figure 1-2: Sample of a Lockout/Tagout Mechanism on an Electrical Enclosure Original Instructions: 001059 DRAFT...
- Page 15 Twin-Axis Sheathing Saw: Safety Working on a Machine Inside the Machine’s Main Electrical Enclosure or in the Electrical Transmission Line to the Machine Before opening the main electrical enclosure, or attempting to repair or replace an electrical transmission line to the machine, lockout/tagout the machine properly.
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Page 16: Hydraulic Or Pneumatic System Lockout/Tagout Procedure
Twin-Axis Sheathing Saw: Safety Hydraulic or Pneumatic System Lockout/Tagout Procedure Before working on or near hydraulic or pneumatic components, bleed the lines of pressure. See Removing Pressure from the Pneumatic System for further instruction. When Lockout/Tagout Is Not Required If working on components other than the hydraulic or pneumatic system, but that... -
Page 17: Troubleshooting With An Energized Machine
Inspecting the Twin-Axis Sheathing Saw 1. Lockout/tagout the machine. 2. Check the Twin-Axis Sheathing Saw for debris or tools that would block the path of parts. Remove any that you may find. The following locations are especially important: • Infeed conveyor and aligner •... -
Page 18: E-Stop Test
Twin-Axis Sheathing Saw: Safety E-Stop Test 1. Verify there is no material on the infeed end of the saw or inside the saw chamber. 2. Initiate a cut cycle in Semi Auto mode. The conveyors and the saw blades will begin to rotate. -
Page 19: Restricted Zone
Twin-Axis Sheathing Saw: Safety Restricted Zone DANGER Stay out of the restricted zone when equipment is in use. Serious injury or death may result if personnel are in the restricted zone. Always look for personnel in the restricted zone before operating equipment. -
Page 20: Safety Symbol Definitions
Twin-Axis Sheathing Saw: Safety Safety Symbol Definitions The safety symbols shown in this section are found throughout the manual to indicate hazards related to this machine. All personnel expected to operate or maintain this machine should be familiar with these safety symbols and their meanings. - Page 21 Twin-Axis Sheathing Saw: Safety Slip hazard. Use of appropriate footwear is required. Trip hazard. Pay attention when walking in this area. Kickback hazard. Keep hands clear of cutting parts. Original Instructions: 001059 DRAFT...
- Page 22 Twin-Axis Sheathing Saw: Safety Keep hands and body clear. Crush hazard from above. Ventilate. Slots and openings in the cabinet are provided for ventilation to ensure reliable operating of the equipment. To protect the equipment from overheating, those openings must not be blocked or covered.
- Page 23 Twin-Axis Sheathing Saw: Safety Equipment has automatic restarting capability. Lockout/tagout on the upstream disconnect before servicing. Warning. Three man lift required to move this equipment safely. Refer to the installation manual. Original Instructions: 001059 DRAFT xxiii...
- Page 24 Twin-Axis Sheathing Saw: Safety The operation of this equipment requires the use of PPE. Do not operate without wearing the required protective clothing. Refer to manual. After installation, read the user’s guide carefully before operating. Follow all operating and other instructions carefully.
- Page 25 Twin-Axis Sheathing Saw: Safety Circuits are live. Lockout/tagout on the upstream disconnect prior to servicing. Lockout in a de-energized state. Lift point. In order to decrease the likelihood of damage to the equipment, use only the lift points indicated in the manual.
- Page 26 Twin-Axis Sheathing Saw: Safety No smoking in this area. Hazardous moving parts are located behind this access panel. Do not operate this equipment without all guards and covers in place. Do not place containers with liquids such as coffee, water, soda, etc.
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Page 27: Declaration Of Safety Conformity
Twin-Axis Sheathing Saw: Safety Declaration of Safety Conformity Conforms electrically to the following: • NFPA 79 • NEC Electrical Code • Electrical enclosures carry UL 508A and the CUL for Canada • Safety circuit conforms to Category 4 redundant monitoring Conforms mechanically to the following: •... -
Page 28: Introduction
In order for this manual to be useful, the appropriate sections must be easily accessible by operators and maintenance personnel. This manual addresses the most recent version of the equipment as of the date listed on the title page. For earlier revisions, contact MiTek as described on page 3. Original Instructions: 001059 DRAFT... -
Page 29: Understanding The Manual
Twin-Axis Sheathing Saw: Introduction Understanding the Manual Hyperlinks References to page numbers throughout the manual can be selected to immediately take you to the relevant section. The Drawing Set A list of drawings can be found in the back of this equipment manual or in a separate 11x17 binder. -
Page 30: Additional Resources
Twin-Axis Sheathing Saw: Introduction Additional Resources Website Visit the MiTek website for up-to-date information on all MiTek equipment. You may also find the following information there: • The latest revisions of this manual • Service bulletins pertaining to your equipment •... -
Page 31: General Information
General Information Introduction to the Equipment Purpose of the Equipment The Twin-Axis Sheathing Saw is designed to cut wall panel sheathing to the correct size. Description of the Equipment This equipment uses one saw blade to rip sheathing material to the correct width as the material moves through the saw chamber. -
Page 32: Main Components
Twin-Axis Sheathing Saw: General Information Main Components Graphical Overview Figure 3-1: Main Components of the Twin-Axis Sheathing Saw Outfeed Conveyor Chamber Infeed Aligner Operator Interface Infeed Sensor Infeed Conveyor Main Component Descriptions Table 3-1 lists the main components that are included with all versions of this equipment. -
Page 33: Technical Specifications
Twin-Axis Sheathing Saw: General Information Technical Specifications Table 3-2: General Specifications Specification Technical Data Saw blades Qty: 2, 13.8" diameter (350 mm) Carbide tip, negative hook Max. infeed material size 10' L x 50" W x 2-1/4" H Min. infeed material size 18”... - Page 34 Twin-Axis Sheathing Saw: General Information Table 3-7: Weight Specifications Specification Technical Data Saw box and conveyors 5800 lbs Table 3-8: Environmental Requirements Specification Technical Data Operating temperature 32 to 122 degree Fahrenheit (0 to 50 degrees Celsius) Relative humidity 45 to 85 percent humidity...
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Page 35: Operation
Chapter 4 Operation Safety Operating Notes WARNING ELECTROCUTION, HIGH PRESSURE, CRUSH, CUT, AND CHEMICAL HAZARDS. Read this section AND the safety section in the preliminary pages before operating or maintaining this machine. Do not operate this machine until you have a thorough understanding of all controls, safety devices, E-stops, and operating procedures outlined in this manual. -
Page 36: Safety-Related Operating Procedures
Controlled Stops (Software) In the Twin-Axis software, operators can select to pause a cut cycle. Once a cycle has been paused, the option to continue or abort becomes available. See Figure 4-1. - Page 37 Twin-Axis Sheating Saw: Operation Emergency Stops (Hardware) There are four E-stops located on the Twin-Axis Sheathing Saw. Figure 4-2: E-Stops and Electrical Disconnect Switch Reverse View Non-Operator E-Stop Control Outfeed Enclosure E-Stop E-Stop Disconnect Switch Infeed E-Stop Figure 4-3: How to Operate an E-stop Pushbutton To activate a pushbutton, push the button in.
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Page 38: Interlocked Doors Or Guards
Twin-Axis Sheating Saw: Operation Disconnect Switch There is one disconnect switch located on the main electrical enclosure. Figure 4-4: Everything You Need to Know About Disconnect Switches Turning the disconnect handle to the On position supplies electrical power to the entire machine. To remove power to the machine, turn the disconnect handle to the Off position. -
Page 39: Operational Indicators On The Machine
Twin-Axis Sheating Saw: Operation • Both saw blades are not in motion Figure 4-5: Saw Chamber Doors and Pushbutton Locations (Right-To-Left Configuration Shown) Infeed Outfeed Door Door Non-Operator Operator Side Door Side Door Operator door push-button is located on the side of the main electrical enclosure. -
Page 40: Operator Hardware Controls
Twin-Axis Sheating Saw: Operation Operator Hardware Controls Figure 4-7: Operator Controls Power Reset Button Touch Screen Recycle Button Keyboard and Touchpad Table 4-1: Description of Operator Hardware Controls Name Function Recycle Returns the saw blades to their home positions, and the remaining material automatically travels backward through the saw until it stops on the infeed conveyor to be cut again. -
Page 41: Operating The Machine Or System
Twin-Axis Sheating Saw: Operation Operating the Machine or System This manual only addresses the use of the Twin-Axis Sheathing Saw. It does not address methods of designing or building of the finished product. Powering Up or Down Daily Startup Any time the saw is without power, perform this procedure to restore power: 1. -
Page 42: Software Overview
Welcome Menu: Select a button to access an operating mode or other menu Status Indicator: This button displays machine status (ex: Ready) and can be selected to view a detailed overview of machine status and faults. Figure 4-8: Twin-Axis Home Screen Welcome Screen Overview • Semi Auto Pressing the Semi Auto button takes you to the Semi Auto screen (see Figure 4-11). -
Page 43: Using The Toolbar
" increments 800-523-3380 • Options Opens the options menu. • Update Checks for and automatically installs the latest version of the Twin-Axis Sheathing Saw software. • Rollback Reverts to previous software release. • About Displays the software version number and change log for the most recent update. -
Page 44: Using The Status Menu
Twin-Axis Sheating Saw: Operation • Normal Speed: This button displays the current speed setting for the conveyors. The saw operates by default at normal speed. Select this button to enable Reduced Speed mode. • RECYCLE: The saw blades return to their home positions, and the remaining material automatically travels backward through the saw until it stops on the infeed conveyor to be cut again. -
Page 45: Operating Modes
Twin-Axis Sheating Saw: Operation Operating Modes This section instructs operators how to use the Semi Auto and Auto modes. WARNING CRUSH AND CUT HAZARD. Before turning on the equipment, make sure that all personnel and equipment are clear. Using Semi Auto Mode Figure 4-11 shows the Semi Auto screen with example measurements included. -
Page 46: Using Auto Mode
Twin-Axis Sheating Saw: Operation 3. Select Semi Auto on the home screen. 4. Enter the dimensions for one finished piece. 5. Load the correct material onto the infeed conveyor at or behind the marked line. 6. Select ClampSheet button to push the material against the fence. -
Page 47: Options Menu Overview
Twin-Axis Sheating Saw: Operation 4. Verify the correct material size and type to use. 5. Select Auto on the home screen. 6. Select Get Cut File to load the data into the saw. 7. Load the correct material onto the Infeed Conveyor at or behind the marked line. -
Page 48: Software Tips
Twin-Axis Sheating Saw: Operation Resets the Twin-Axis Sheathing Saw to default settings. Software Tips • If the sheathing panel chosen contains multiple pieces, press Next Cut to scroll down through the list. • You can only scroll downward. If you need to go up in the list, press Get Cut File to re-import the same file. - Page 49 Twin-Axis Sheating Saw: Operation E-Stop Recovery Procedure (outside a cut cycle) If an E-stop is actuated while outside of a cut cycle, follow these instructions to restore the saw to normal operation. 1. Reset the safety controller by pressing the RESET button on the control enclosure.
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Page 50: Maintenance
Chapter 5 Maintenance Introduction to Maintaining Your Machine This manual contains information for common repair maintenance and all preventive maintenance. Additional maintenance instruction and videos can be found on our web site or video storage site. Read the safety section starting on page vii.The safety test procedures in the safety section MUST be performed by qualified personnel after ANY maintenance, adjustment, or modification. -
Page 51: Overview Graphics
Overview Graphics The orientation terminology in Figure 5-1 will be utilized throughout the maintenance section. For a graphical depiction of the major components of the Twin-Axis Sheathing Saw, see Main Components on page 5. Figure 5-1: Orientation Terminology Outfeed Non-Operator... -
Page 52: Inspecting
Calibrating Calibration should rarely be required. The software password is needed for this task. If you feel that the saw needs to be recalibrated, contact MiTek for assistance. See Welcome Screen Overview on page 15 for instructions on how to find the calibration menu. -
Page 53: Motors And Gearboxes
Twin-Axis Sheathing Saw: Maintenance Motors and Gearboxes Figure 5-2: Motor Locations Carriage Motors Motors Cross-cut Cross-cut Carriage Carriage Operator Operator Side Side Conveyor Motor Non-Operator Side Table 5-1: Overview of Motor Maintenance Motor Gearbox (if Requires Grease Requires Oil present) - Page 54 Twin-Axis Sheathing Saw: Maintenance Adding and Changing Gearbox Oil Check the oil in the carriage and conveyor gearboxes once every month (one shift) or every two weeks (two shifts). When additional oil is needed, use the oil Hex key set recommended in Table 5-2 or a comparable type.
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Page 55: Saw Blades
Twin-Axis Sheathing Saw: Maintenance Saw Blades Direction of Blade Teeth The blade teeth of a replacement rip or cross-cut blade must match the following criteria. See figure Figure 5-1 for machine orientation terminology. • The rip saw blade rotates downward toward the infeed end. - Page 56 Twin-Axis Sheathing Saw: Maintenance 2. After lockout/tagout, use the spanner wrench to hold the blade in place (Figure 5-4) and the 46-mm wrench to loosen the arbor nut. Figure 5-4: Spanner Wrench Placement 3. Remove the arbor nut and arbor bushing.
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Page 57: Bearings
Twin-Axis Sheathing Saw: Maintenance Bearings The location of all bearings that require lubrication are listed in this section. See Applying Bearing Lubricant for instructions on the lubrication process. Carriage Bearings The locations of the grease fittings (4 total) are displayed in Figure 5-6. -
Page 58: Applying Bearing Lubricant
Twin-Axis Sheathing Saw: Maintenance Applying Bearing Lubricant To lubricate bearings, use the following steps. 1. Lockout/tagout machine. Manual grease 2. Locate the grease fitting on the bearing. No.2 lithium- 3. Clean the fitting thoroughly to remove any dirt or old grease. -
Page 59: Adjusting Chain Tension
Twin-Axis Sheathing Saw: Maintenance Figure 5-9: Conveyor Chain (runs entire length of non-operator side) Non-Operator Side Note the chain is not rendered in this image Adjusting Chain Tension Carriage Chains Socket wrench There are two carriage chains, one for the rip carriage and one for the cross-cut carriage. - Page 60 Twin-Axis Sheathing Saw: Maintenance Conveyor Chain The mechanism adjusting the conveyor chain can be found behind the cover shown in Figure 5-11. How to tighten conveyor chain: Socket wrench 1. Lockout/tagout machine. 2. Loosen the nut on the tensioner bolt to allow the bolt to be adjusted.
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Page 61: Pneumatic System
Adjusting the Pressure on the Regulators The pressure adjustment knob on a the regulator controls the operating pressure for a pneumatic system. The Twin-Axis Sheathing Saw utilizes two pressure regulators that must be set at different pressures. • Low Pressure Regulator: operating pressure should be set at 30 psi. - Page 62 Figure 5-14: Regulator/ months (one shift) or 3 months (two shifts). This filter Filter Element can be purchased through MiTek. Use the following procedure to replace a filter element. 1. Remove pressure from the lines by following the procedure in Removing Pressure from the Pneumatic System on page 34.
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Page 63: Cylinders
Make sure bowl is secure and the blue tab is in the locked position before returning pressure to the lines. Cylinders The Twin-Axis Sheathing Saw utilizes pneumatic cylinders for the infeed aligner and the outfeed ejectors. Figure 5-15: Aligner Cylinder Adjustment Screws... - Page 64 Twin-Axis Sheathing Saw: Maintenance to find their ideal cushioning between the completely closed and completely open positions. • A completely closed cushion valve causes the cylinder to slow abruptly near the end of its stroke, increasing the cycle time. • A completely open cushion valve prevents the cylinder from decelerating the load, producing a jarring end impact.
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Page 65: Electrical System
Removing sawdust helps prevent problems with electrical components. Sensors The Twin-Axis Sheathing Saw utilizes the following suite of sensors. • 2 Photoeye sensors • 2 Blade temperature sensors • 8 Proximity sensors... - Page 66 Twin-Axis Sheathing Saw: Maintenance Figure 5-18: Blade Temperature Sensors Cross-Cut Sensor Sensor Figure 5-19: Proximity Sensors Note that some proximity sensors are located inside the saw chamber Cleaning Photoeye Sensors The Photoeye Sensors may require cleaning of the sensor windows (see Figure 5-17).
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Page 67: Vfd (Variable Frequency Drive)
VFD (Variable Frequency Drive) A VFD is an important part of several electrical circuits in the Twin-Axis Sheathing Saw. Verifying the voltage in and out of the VFD is always a good first step in the electrical troubleshooting process. -
Page 68: Safety Controller
Twin-Axis Sheathing Saw: Maintenance Safety Controller The safety controller is located inside of the control enclosure. Figure 5-22: Safety Controller Location PLC (Programmable Logic Controller The PLC is located inside of the control enclosure. Figure 5-23: PLC Location Original Instructions: 001059 DRAFT... -
Page 69: Other Maintenance
Twin-Axis Sheathing Saw: Maintenance Other Maintenance Roller Brushes Over time, the bristles on the roller brushes may become loose or otherwise degrade. See Figure 5-24 for all brush locations. Figure 5-24: Roller Brush Locations Socket wrench Center Infeed Outfeed Brush... -
Page 70: Dust Removal
Twin-Axis Sheathing Saw: Maintenance Dust Removal Saw dust should be removed from the dust bin on a daily basis. Use the two handles on the operator side of the saw to remove and empty the dust bin. Figure 5-26: Dust Bin Location... -
Page 71: Glossary
Glossary actuate to activate, put into action affected employee an employee whose job requires him or her to operate or use a machine or equipment on which servicing or maintenance is being performed under lockout or tagout, or whose job requires him or her to work in an area in which such servicing or maintenance is being performed aisle pad a type of jigging used when a connector plate needs to be... - Page 72 Twin-Axis Sheathing Saw: Glossary energy isolating device a mechanical device that physically prevents the transmission or release of energy, including but not limited to the following: manually operated electrical circuit breaker; a disconnect switch; a manually operated switch by which...
- Page 73 Twin-Axis Sheathing Saw: Glossary potentiometer a control knob that is a dial; allows a range of values to be set by turning the dial, commonly found on the PLC proximity switch a switch that uses an electromagnetic field to detect when an object is near, there is no physical contact between the object and the switch;...
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