Belovac Vacuum Forming Machine: Difference between revisions

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|contact = [[User:Rtystgeeke]]
|contact = [[User:Rtystgeeke]]
|value = tbd
|value = tbd
|image = [[File:Belovac Vacuum Former Main.jpg|300px]]
|image =
}}
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===Usage Steps===
===Usage Steps===


The following instructions are an initial release of how to run the machine.
1. Insert Material into Frame

⚫
2. Secure Mold to Vacuum table
3. Check seals aronud material and mold
# Insert sheet of material into Frame
⚫
# Secure Mold to Vacuum table
⚫
4. Turn on Wall Power
⚫
# Check seals around material and mold
⚫
5. Turn on Machine Power
⚫
# Turn on Wall Power
⚫
6. Select Number of Heating Elements
⚫
# Turn on Machine Power
⚫
7. Select Duty Cycle
⚫
# Select Number of Heating Elements
8. Connect Pnuematic Hose
⚫
# Select Duty Cycle
⚫
9. Turn on Heating Element
# Connect Pneumatic Hose. It can be borrowed from the CNC Plasma Cutter, if not in use.
⚫
10. Move material frame into heater
⚫
# Turn on Heating Element
⚫
11. Close Vacuum Valve
⚫
# Move material frame into heater
⚫
12. Turn on Vacuum Pump
⚫
# Close Vacuum Valve
13. Visually check if material is sagging and ready
⚫
# Turn on Vacuum Pump
⚫
14. Pull Material frame forward
15. Inspect Plastic is ready
# Visually check if material is sagging and ready
⚫
# Pull Material frame forward
⚫
16. push level to raise vacuum bed
# Inspect Plastic is ready
17. Open Vacuum Valve
⚫
# push level to raise vacuum bed
⚫
18. Monitor pull of material over mold
19. Turn off Vacuum
# Open Vacuum Valve
# Monitor pull of material over mold
⚫
20. Turn off Heater
# Turn off Vacuum
⚫
# Turn off Heater


===Safety notes===
===Safety notes===
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===Warning===
===Warnings===

* Hot Surface - Metal Frame holding material and handles will be hot.


* Fire - Material may catch fire if left unattended while lower heater is left on.
Fire - Heat


* Crushing - Maker certain all appendages are clear, before raising pnuematic platform with mold.
Shock - 3 Phase Power


* Shock - High Voltage machinery (3 Phase Power) required to run motors and heating elements. Make certain cabling is secure.
Crushing - Pnuematic Platform


===Maintenance and Repairs===
===Maintenance and Repairs===

Revision as of 08:45, 22 November 2018

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Disambiguation

This vacuum forming machine has been donated by SAIC and is currently installed in Hot Metals area. A Danger Committee was formed and the machine is ready for member use pending authorization.

Status

This machine is working but requires maintenance and improvements.

Machine Information

Company page: http://www.belovac.com/manual_deep_draw.html

Usage Notes

This device can handle any thermoformable plastic up to 3/8" thick.

Depending on which platen/frame that is used, the machine can accept ??? plastic sheets.

The "buck," or form, may be any sturdy shape that can tolerate a bit of heat. Wood, metal, and polyester resin work well. Avoid shapes with hollows underneath because they have a tendency to collapse. Shapes with undercuts, or shapes taller than they are wide, will be very difficult to remove from the formed plastic. Paint, shellac, or epoxy resin can cause the hot plastic to stick.

The oven must be used only for vacuum forming. Please do not attempt to use this machine to dry materials or anything other than its intended purpose.

Usage Steps

The following instructions are an initial release of how to run the machine.

  1. Insert sheet of material into Frame
  2. Secure Mold to Vacuum table
  3. Check seals around material and mold
  4. Turn on Wall Power
  5. Turn on Machine Power
  6. Select Number of Heating Elements
  7. Select Duty Cycle
  8. Connect Pneumatic Hose. It can be borrowed from the CNC Plasma Cutter, if not in use.
  9. Turn on Heating Element
  10. Move material frame into heater
  11. Close Vacuum Valve
  12. Turn on Vacuum Pump
  13. Visually check if material is sagging and ready
  14. Pull Material frame forward
  15. Inspect Plastic is ready
  16. push level to raise vacuum bed
  17. Open Vacuum Valve
  18. Monitor pull of material over mold
  19. Turn off Vacuum
  20. Turn off Heater

Safety notes

The Vacuum Former has an oven surface for heating and softening the plastic. It is made of multiple panels (total 6) infared radiant heating elements, draws a total 80,000 watts (top and bottom), and reaches full operating temperature depending on Active heating time set on the timer.

The most likely source of problems would be for someone to leave the plastic under the heater for way too long and set it on fire. To help avoid this error, we are only using the center top panel for heating. Ignoring safety protocal is cause for revoking authorization.

Fumes from most plastics are not expected to be significant when the machine is used properly (i.e., nothing is on fire). If fumes do turn out to be a concern, the machine can be retrofitted with a fume hood. Then existing exhaust duct for the Forge could be used.


Warnings

  • Hot Surface - Metal Frame holding material and handles will be hot.
  • Fire - Material may catch fire if left unattended while lower heater is left on.
  • Crushing - Maker certain all appendages are clear, before raising pnuematic platform with mold.
  • Shock - High Voltage machinery (3 Phase Power) required to run motors and heating elements. Make certain cabling is secure.

Maintenance and Repairs

  • Get Running - DONE
  • Fix Frame Rubber Seals
  • Move Vacuum Guage
  • Larger Vacuum Tank
  • More powerful Vacuum Pump
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