piła łancuchowa stolik koziołek.pdf

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Folding Saw Bench Plans
Safety Notice
These plans are for a prototype saw bench. A production model would require further work
to design an efficient guard to protect the user or any other person from inadvertent
contact with the saw blade.
The frame and operating handle must be properly earthed.
Suitable protective clothing and equipment should be worn at all times when operating or
working near the saw.
Copyright © 2012 John Gelling
www.johngelling.co.uk
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Parts List
To complete the basic saw bench, you will need 8m of 40mm x 40mm x 2mm steel tube,
1m of 20mm x 5mm flat steel bar, one 800mm x 360mm sheet of 1mm steel sheet, and
two 75mm M8 bolts with lock nuts.
Other pieces of steel and sundry items will be required to make the pivoting saw cradle.
An electric chainsaw, relay, switch etc. are also required to complete the project.
Qty Length Material Details
2
1000mm
40 x 40 x 2 tube
90°; 60° end cuts
4
750mm
40 x 40 x 2 tube
90°; 90° end cuts
2
200mm
40 x 40 x 2 tube
90°; 90° end cuts
2
800mm
40 x 40 x 2 tube
60°; 60° end cuts
4
125mm
20 x 5 flat bar
90°; 90° end cuts
1
800mm x 360 mm
1mm sheet steel
90° fold along longest centre line
2
75mm
M8 bolts
2
M8 locknuts
Operating the saw
The saw is turned on by pressing a push button on the right side of the operating handle.
The saw stops when the button is released. The operating handle is held by the left hand,
the button is conveniently pushed using the left thumb. The user's right hand is furthest
from the bar and should be used to hold logs in place while cutting. Gently pulling down
on the operating bar will cut through several branches at one time.
The weight of the saw ensures that the bar always remains in the upright position while
logs are pushed along ready for the next cut.
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Main Frame
The steel should be laid out on a flat surface, joints clamped before tack welding into
place. Check that all joints are square before full welding.
Front and side view of main frame (third angle projection)
Note: the bottom ends of the uprights are cut at 60° as shown below. This is so that the
feet will rest squarely on the ground.
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Main frame assembled
 
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Support Frame
In the same manner as above, weld the parts of the support frame together as shown
below.
Support frame front and side view (third angle projection)
In this case, both the top and bottom of the uprights are cut at 60°.
Joining brackets
Cut four 135mm lengths of 20mm x 5mm bar and drill an 8mm hole 10mm from one end of
each length as shown.
These should be bolted on each side of
the uprights of the main frame. Now bring
the main frame and support frame
together as shown below and clamp the
joining brackets in a horizontal position
each side of the support frame before
welding in place.
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