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CSM Edger Saw Design Calculations

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CSM Edger Saw Design Calculations

 

I. CALCULATING EDGER SAW TOOTH BITES

Formula:

Tooth Bite   = Feed Speed  (feet/min.) x 12
RPM x Number of Teeth

 

Example:

Tooth bite   = 150 x 12
1750 x 26
= 1800
45,500
= .039”

 

II.  CALCULATING REQUIRED GULLET CAPACITY

Formula:

Required Gullet = Tooth Bite x Depth of Cut x 1.30

 

Example:

Required Gullet = .039" x 6" x 1.30 = .304 sq. in.

 

III. DETERMINING GULLET CAPACITY ON EXISTING SAWS 

Steps:

1. Take- a rubbing of gullet shape

2. Place rubbing over 1/4" square engineering paper

3. Count the number of squares in the gullet area

4. Divide that number by 16 (16 is the no. of 1/4" squares per cubic inch)

5. Multiply this number by .70

6. This is your usuable gullet capacity

7. Compare this with the required area figured in #2 above.

 

Example calculations:

Gullet Area (usable) = 10
16
=  .625 x .70 = .437 Sq. In.

Note: This gullet has sufficient capacity for requirements in above examples.

 

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