Drum-sander: Difference between revisions

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'''Shop Area:''' Woodshop
'''Shop Area:''' Woodshop


'''Tool:''' Drum Sander
'''Tool:''' Wide Belt Sander


<span style="color:#FFFFFF;">'''<span style="background-color:#FF0000;">Requires in-person training:</span>'''<span style="background-color:#FF0000;"> Yes </span></span>
<span style="color:#FFFFFF;">'''<span style="background-color:#FF0000;">Requires in-person training:</span>'''<span style="background-color:#FF0000;"> Yes </span></span>
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'''Procedure Number'''
'''Procedure Number'''


UG 110-01, Rev. 1
UG 110-10, Rev. 2
|width="33%"|
|width="33%"|
'''Date'''
'''Date'''


1/10/2021
8/24/2024
|}
|}


= GENERAL =
= GENERAL =
There are 2 lock bolts on the bed adjustment bolts to keep the current setting.  Please DO NOT change these settings.  There are guides lines on the front showing where the belt should run so it's obvious if it starts to track to the right and curl under which will grind the right roller and bed.  If this happens please STOP since the belt is just a large sheet of sandpaper and it will grind out the entire roller support and permanently damage the machine.
[[File:Powermatic WB37 sander.jpg|thumb|Wide Belt Sander]]


[[File:Drum Bed.jpg]]
Vector Space has a Powermatic WB-37, 37 inch wide belt sander.
[[File:Drum Bed Left.jpg]]
[[File:Drum Bed Right.jpg]]
 
Typically a coarse grain sandpaper is placed on the front drum and a fine grain sandpaper is placed on the rear drum so that both rough and fine finishing can occur in one pass, but different configurations are possible.
 
The adjustment knobs inside the top cover of the drum sander allow for a variety of front and rear drum configurations:
 
1.  When at "0" the rear and front drums are at the same height.  Both drums will remove the same amount of material.
 
2. To lower the rear drum the knobs are BOTH turned so that the guides read in the "+" or positive direction.  To raise the drum the knob are BOTH turned so the guides read in the "-" or negative direction.  It may help to think of it as the "+" or positive number moving toward or "into" the material and the "-" or negative number moving away or "out of" the material. 
 
3. These knobs should be adjusted so they are the same value though one could have a reason for tilting the rear drum so it's not parallel.  This does not seem like a good idea though.  The right spring on the adjustment knob sticks a bit so make sure that the value actually changes when you turn it.  Just tap or flick the spring a bit.
 
4.  The adjustment setting allows 4 positions for a variety of possible finishes:
 
A.  "0" SETTING - The rear drum will be even with the front drum and will provide a double pass with the front and rear drums using both grits at the same height.
 
B.  "-” NEGATIVE SETTING - The rear drum will be HIGHER than the front drum and will provide one pass with the front drum ONLY.
 
C.  "+" POSITIVE) SETTING - The rear drum will be LOWER than the front drum and will allow 2 options:
 
a.  If the bed depth (using the height crank on the right) is set so that the material DOES engage the front drum, the front drum will remove material and the rear roller will remove more material (unlike A above which will remove the same amount of material with each drum).
 
b.  If the bed depth (using the height crank on the right) is set LOWER so that the material DOES NOT engage the front drum, the front drum will be bypassed and ONLY the rear roller will remove material.
 
[[File:Drum Knob Left.jpg]]
[[File:Drum Knob Right.jpg]]


The wide belt sander is used to give a smooth and consistent finish, and can be used with parts too delicate for the planer. This is a finishing tool and is not meant as a replacement or alternative to the planer.
= SAFETY =
= SAFETY =
 
* Always wear approved safety glasses or face shield while operating the equipment.
 
* Before operating equipment, remove tie, rings, watches and other jewelry, and roll sleeves up past the elbows. Remove all loose clothing and confine long hair.
* Closed toe shoes are required when working in a shop area.
* Do not wear gloves while operating the equipment.
* Never place hands or fingers under the drum or dust cover.
* Keep hands and clothing away from operating drums.
* Check for alignment of moving parts, binding of moving parts, breakage of parts, mounting, and any other conditions that may affect its operation.


= REFERENCE =
= REFERENCE =
[[:File:Drum_Sander_SuperMax_25X2_Manual.pdf|SuperMax 25x2 Manual]]
* Powermatic WB-37 Manual: [[Media:Powermatic WB-37 Manual.pdf|https://vector-space.org/wiki/File:Powermatic_WB-37_Manual.pdf]]
* WB-37 basic use video: https://www.youtube.com/watch?v=aO7rRiXVehY


= PROCEDURE =
= PROCEDURE =


 
# Visually check that the sanding belt is in the correct position and tensioned.
# Ensure that the dust gate on top of the machine is open.
# Release the E-Stop. You should hear airflow after this.
# Set the machine to the correct height by lowering the table, inserting your board between the table and the thickness sensor, and raising the table until the sensor is depressed.
# Turn on the sanding belt and the conveyor belt.
# Feed the board into the machine without making any height adjustment on the first pass. Subsequent passes should not exceed 0.010" per pass.
# When finished, turn off the sanding belt, turn off the conveyor belt, and once they've come to a stop, press the E-Stop.


= TROUBLESHOOTING =
= TROUBLESHOOTING =
 
* '''Belts are not turning on and the keypad is not responsive'''. A limit switch has likely been tripped. There are 4 limit switches: belt tension, 2 belt position, and table height.
 
 
 
                                   
                                          '''END OF THE PROCEDURE'''

Latest revision as of 08:29, 24 August 2024

Shop Area: Woodshop

Tool: Wide Belt Sander

Requires in-person training: Yes

Procedure Number

UG 110-10, Rev. 2

Date

8/24/2024

GENERAL

Wide Belt Sander

Vector Space has a Powermatic WB-37, 37 inch wide belt sander.

The wide belt sander is used to give a smooth and consistent finish, and can be used with parts too delicate for the planer. This is a finishing tool and is not meant as a replacement or alternative to the planer.

SAFETY

  • Always wear approved safety glasses or face shield while operating the equipment.
  • Before operating equipment, remove tie, rings, watches and other jewelry, and roll sleeves up past the elbows. Remove all loose clothing and confine long hair.
  • Closed toe shoes are required when working in a shop area.
  • Do not wear gloves while operating the equipment.
  • Never place hands or fingers under the drum or dust cover.
  • Keep hands and clothing away from operating drums.
  • Check for alignment of moving parts, binding of moving parts, breakage of parts, mounting, and any other conditions that may affect its operation.

REFERENCE

PROCEDURE

  1. Visually check that the sanding belt is in the correct position and tensioned.
  2. Ensure that the dust gate on top of the machine is open.
  3. Release the E-Stop. You should hear airflow after this.
  4. Set the machine to the correct height by lowering the table, inserting your board between the table and the thickness sensor, and raising the table until the sensor is depressed.
  5. Turn on the sanding belt and the conveyor belt.
  6. Feed the board into the machine without making any height adjustment on the first pass. Subsequent passes should not exceed 0.010" per pass.
  7. When finished, turn off the sanding belt, turn off the conveyor belt, and once they've come to a stop, press the E-Stop.

TROUBLESHOOTING

  • Belts are not turning on and the keypad is not responsive. A limit switch has likely been tripped. There are 4 limit switches: belt tension, 2 belt position, and table height.
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