General rules for blade selection:

1.Select coarser pitch blades for thicker or softer material.

2.Select finer pitch blades for thinner or harder material.

3.Use fine pitch blades to obtain a smooth finish.

4.Use coarse pitch blades to obtain faster cutting speeds (thick material).

5.To prevent premature blade wear, use the fastest practical speed.

6.Adjust the feed rate to ensure continuous cutting action.

7.Run the bandsaw with the blade centered in the

upper and lower guides and the gui<;lefingers adjusted as close as possible without touching the blade or weld joint.

LfS: WARNING

Never adjust guide fingers while blade is running! Failure to comply may cause

serious injury!

Blade Shear and Blade Preparation

1.Blade should be cut to the longest length that machine will accept.

2.Put handle in the upright position.

3.Place blade against the back of the square cutting guide of the shear.

4.Bring handle down firmly to cut blade.

5.Use the blade grinder to assurethe blade ends are flat, square, and smooth.

6.With fine pitched blades, one or more teeth from each side will have to be removed by

grinding so that the cross section of the weld area is unjform.

Welder Preparation

1.Clean the welder jaws and the lower jaw inserts.

Po"t'on

of Cut

 

Rolot'vo

 

 

 

 

 

 

 

 

 

to Tho Gullot of tho

 

 

 

 

 

 

 

 

 

Tooth

 

 

 

112 Tooth

d

 

Tooth

G,ound

 

 

Moo Con,umOd

'/2 TO° h

 

 

.

I';::°ff

 

 

~

I-By Walding.

 

[jtj"

 

 

 

 

~

 

.

 

---

'LL-J

 

 

,

 

 

 

 

 

 

. ~---~00.A.I)

 

 

 

 

Po,it'on

of Cut

Rolotivo

 

4 Pitch

 

 

 

 

 

i~o;~o

GUII~

 

tho

 

 

 

'-'/2

Tooth Goound

 

A,oo Con,umed

3/4T°Ftrfioth

 

~

 

~

 

 

'"

r.'ByWolding.

,

~',

"

'n

---I_jJ

 

LJ

- - -1'nM

 

 

po,it'on

of Cut

 

 

6

Pitch

 

 

:

 

Tho Canto, of

tho

 

 

 

 

 

 

 

 

Gullet.

-..

 

 

 

 

 

 

2 Toeth G'ound

A,oo Consumed

'TOO~O:_~~

 

 

uu--CJI[J

~ByWolding.

 

LJJU

 

 

 

 

~~'~~o; 3~,Te~t07~~O:iVo~

B P'tch

Teeth G,ound

 

A'oo Consumod

Teoth

"-

 

 

 

 

 

 

2-'/2

 

'-'/4T~

 

 

'-'/4Tooth

:-:1

~Off

 

~WOlding.

 

 

LlJ~---CDLU--

 

 

 

LULJ

 

 

 

.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

'0

Pitch

 

 

 

 

 

Follow these cutting and grinding Instructions and the teeth will be uniformly spaced after the weld.

CLEAN BLADE ENDS

WHICH CONTACT WELDER JAWS.

REMOVE DIRT. OIL. S4ALE

AND OXIDE-

/' GRIND OFF TEETH

~ A WITHIN WELDING AREA

Points to remember in preparing the blade for welding

GRIND HERE

y

/

/

/

:f

If snips are

used

to cut

blade,

~

grind

ends

square

~

as shown.

 

GOOO WELD

WELD NOT IN CENTER OF GULLET ~ 'NCORRECT T09TH SPACING 1., TOOTH WHICH WAS NOT

~REMOVED HAS JAMMED IN WELD

WEAK. INCOMPLETE WELD

(BLOW-OUT HOLES!J

~~---

10

Page 12
Image 12
Jet Tools VBS-2012 manual Ljju