Table of Contents
Advertisement
Quick Links
Advertisement
Table of Contents
Related Manuals for Demtech Pro-Wedge VM-20
Summary of Contents for Demtech Pro-Wedge VM-20
- Page 1 Pro-Wedge VM-20 Operator’s Manual Model Number: VM-20/A Revision: F...
- Page 2 DEMTECH Services, Inc. developments. The material in the manual is for informational purposes only and is subject to change without notice. DEMTECH Services, Inc. assumes no responsibility for any errors that may appear in this manual. Manual Number: 100-OPERATOR’S MANUAL/VM-20/AU, Revision: F DEMTECH Services, Inc.
-
Page 3: Table Of Contents
MATERIAL SET-UP………………………………………………………..PAGE 8 Set-up Nip Pressure Adjustment…………………………………….Page 9 Set-up Upper Contour Roller Configurations:……………………..Page 11 Set-up Lower Contour Roller Adjustment………………………...Page 14 WELDING PROCEDURE………………………………………………..PAGE 18 Power Up…………………………………………………………….Page 18 Pro-Wedge VM-20 Operator’s Manual... - Page 4 Starting a Weld………………………………………………………Page 21 Ending a Weld……………………………………………………….Page 21 Shut-Down…………………………………………………………...Page 21 REFERENCE DOCUMENTS………………………………………………PAGE 22 Appendix A…………………………………………………………..Page 24 Appendix B…………………………………………………………...Page 25 Appendix C…………………………………………………………...Page 26 Pro-Wedge VM-20 Operator’s Manual...
-
Page 5: Safety Precautions
(ESD) sensitive circuit boards. Assume that all circuit boards are sensitive to potential damage from ESD. CAUTION 4: Unauthorized personnel should not remove from the equipment those panels or covers that are provided for protection and/or require a tool to remove. Pro-Wedge VM-20 Operator’s Manual... -
Page 6: General Safety Information
Rev. F, December 2020 2 General Safety Information The DEMTECH Services, Inc. Pro-Wedge VM-20 Wedge Welder, hereinafter referred to as the Pro-Wedge or welder, is a high temperature and voltage piece of equipment. Always disconnect the power source before performing any service and/or maintenance procedures on the welder. -
Page 7: General Product Data
Wedge has been built using the highest quality materials available which include Billet Aluminum and ground and hardened steel. DEMTECH Services, Inc. strives to make our welders easy to use and built to last. Just like all other DEMTECH Services, Inc. products, even a first time user will be productive in minutes. -
Page 8: Unpacking & Installation Instructions
You should consult your administration concerning claims for shipping damage. Please notify DEMTECH Services, Inc. or your authorized DEMTECH distributor where the product was purchased in the event of any shipping damage. b. Unlatch and open the shipping/storage case lid and inspect inside the case and the welder thoroughly for any signs of mishandling or damage during shipping. -
Page 9: Electrical Plug Connection
As a rule, higher wattage generators provide better welder performance. Keep in mind that the length and wire gauge of any extension cord being used combined with the capacity of the generator ultimately determines the operating voltage and therefore welder performance. Pro-Wedge VM-20 Operator’s Manual Page 6... -
Page 10: Accessories
For extreme cases of sandy sub grades, an outrigger system and raised rear travel roller are available. Please contact supplier for more information and pricing. Pro-Wedge VM-20 Operator’s Manual Page 7... -
Page 11: Material Set-Up
“Top” on your adjustment material at the same location that it appears on the template. Fold adjustment material so that the word “top” is visible. 2. Set of metric Allen wrenches. 3. 13mm open end wrench. 4. Phillips screw driver. Figure 7.1 Pro-Wedge VM-20 Operator’s Manual Page 8... -
Page 12: Set-Up Nip Pressure Adjustment
Pro-Wedge from “burning out”. This can happen when the nip rollers lose traction and spin on the material, causing the Pro-Wedge to stop in the seam and burn a hole in the material. Figure 7.2 Pro-Wedge VM-20 Operator’s Manual Page 9... - Page 13 (#11, Figure 7.2) counter clockwise ¼ turn at a time until the desired pressure is reached. Remember to tighten the set screw(s) on the adjustment nut after you have completed adjustment of the nip pressure to prevent the pressure from backing off while welding. Pro-Wedge VM-20 Operator’s Manual Page 10...
-
Page 14: Set-Up Upper Contour Roller Configurations
14 if the spring/roller configuration is already correct for the material you will be welding!!! For specific applications of the material you will be welding refer to the Upper Contour Roller Assembly Spring Configuration Chart on the following page. Pro-Wedge VM-20 Operator’s Manual Page 11... - Page 15 Figure 4 shows the triple / double assembly configuration for welding 40-120 mil (1.0- 2.5mm) HDPE / LLDPE material. For reference Item 1 is P/N 100-010, Item 2 is P/N 100- 012 (P/N 100-012A is light version). Pro-Wedge VM-20 Operator’s Manual Page 12...
- Page 16 Figure 5 The individual upper contour rollers and springs can now be configured to match the material you will be welding. See the Upper Contour Roller Assembly Spring Configuration Chart on the previous page. Pro-Wedge VM-20 Operator’s Manual Page 13...
-
Page 17: Set-Up Lower Contour Roller Adjustment
Slide the wedge to its engaged position until it locks into its detent. Then lock the nip pressure lever down on to the material. Pro-Wedge VM-20 Operator’s Manual Page 14... - Page 18 This will result in loss of welding nip pressure and an inconsistent weld. Pro-Wedge VM-20 Operator’s Manual Page 15...
- Page 19 200L and 100-200U) as shown in Figure 7. The two-piece configuration is also shown in Figure 6. If necessary units with the old style one-piece mount can and should be upgraded to the new style two-piece mounts. Figure 7 Pro-Wedge VM-20 Operator’s Manual Page 16...
- Page 20 Tighten lock screws to set adjustment. Re-check all adjustments to make sure they are correct before disengaging nip lever and wedge and removing material set- up piece. When in doubt, contact DEMTECH! (888) 324-WELD (9353) (530) 621-3200 (530) 621-0150 fax demodave@demtech.com...
-
Page 21: Welding Procedure
“set” button located on the temperature controller. To adjust t h e set point, press up or down arrow buttons while holding down the “set” button. (Refer to the Welding Speed/Temperature Chart, Appendix A, for recommended wedge temperature settings). Pro-Wedge VM-20 Operator’s Manual Page 18... -
Page 22: Setting Weld Speed
Wedge can be flipped to change the ratio to high gear, changing the speed range to 0-32 ft/min (0-9.5 meters/min) for high speed seaming of thin materials and non-woven geotextiles. Speed versus setting values are listed for high and low gear in the speed-setting chart in Appendix B. Pro-Wedge VM-20 Operator’s Manual Page 19... - Page 23 Rev. F, December 2020 Figure 8 Figure 9 Pro-Wedge VM-20 Operator’s Manual Page 20...
-
Page 24: Starting A Weld
Shut-Down To shut down the Pro-Wedge, simply turn main power switch to the “off” position or unplug unit. After 5-10 minutes, place unit in shipping/storage case provided with welder. Note: Practice makes perfect. Pro-Wedge VM-20 Operator’s Manual Page 21... -
Page 25: Reference Documents
Refer to Appendix E for the spare parts identification diagrams and DEMTECH part number listings for ordering potential wear item replacement parts for the Pro-Wedge. When ordering be sure to specify the DEMTECH Part Number not the Item Number. END OF OPERATOR’S MANUAL Pro-Wedge VM-20 Operator’s Manual... - Page 26 Rev. E, October 2015 This page is intentionally without content. Pro-Wedge VM-20 Operator’s Manual Page 23...
- Page 28 16.5 16.5 16.5 13.5 13.5 13.5 10.5 10.5 10.5 Speed setting versus actual travel speed (METERS PER MINUTE) Setting Low Gear High Gear Setting Low Gear High Gear Setting Low Gear High Gear Pro-Wedge VM-20 Operator’s Manual Page 25...
- Page 29 As an additional protection, DEMTECH Services, Inc. warrants that for a period of 90 days from the date of shipment to the original buyer, pending prior authorization from DEMTECH Services, Inc., there will be no charge for service related shipping of parts and/or equipment or for authorized...