X hits on this document

122 views

0 shares

0 downloads

0 comments

5 / 36

FIGURE 1 Square and Advanced or Triple-Chip-Tooth Style

For best results with Plexiglas® MC acrylic sheet, circular saw blades should be the largest diameter possible and contain 60 carbide-tipped teeth with a triple-chip-tooth design. Teeth should be shaped with a 5° to 10° positive rake angle and have sharp cutting edges with adequate clearance.

To obtain the optimum cut from carbide-tipped blades, the saw and stabilizer discs must fit the arbor closely with a clearance of about 0.001 inch, and must run true. Loose bearings, bent arbors, or misaligned or burred stabilizers will vibrate and cause cuts of poor quality and shorten blade life. For maximum service life, carbide-tipped blades used for cutting Plexiglas® acrylic sheet should not be used to cut any dissimilar materials.

Saw blades should be equipped with carbide-tipped teeth of the triple-chip style. This tooth style is also called square and advance and is illustrated in Figure 1. Triple-chip-style teeth are designed so that alternate teeth start and finish the cut. The slight chamfering of the square tooth corners minimizes chipping. Carbide-tipped blades give cuts of superior quality, cut faster, and require fewer blade changes because of dulling. However, such blades must be returned to the factory for resharpening.

To minimize blade wobble, which results in the generation of heat and possible melting of the plastic, the use of a single- or double-mounted, precision-ground, hardened-steel stiffener with a diameter 4 inches less than the saw blade and a blade with additional radial/side tooth clearance is highly recommended. Table1A lists specifics on the recommended carbide-tipped circular saw blades.

Where the quantity of the Plexiglas® acrylic sheet to be cut does not warrant the purchase of carbide- tipped blades,

.030”-.080” Solid

Table (Hand Feed)

8 10 12

80 80 80

0° 0° 0°

.095 .095 .095

.075 .080 .085

.100”-.177” Solid

Table (Hand Feed)

8 10 12 14

80 80 80 80

5°-10° 5°-10° 5°-10° 5°-10°

.072 .072 .090 .105

.100 .100 .125 .145

.236”-.944” Solid

Table (Hand Feed)

8 10 12 14

60 60 60 60

5°-10° 5°-10° 5°-10° 5°-10°

.090 .090 .090 .105

.125 .125 .125 .145

1.5”-2” Solid

Table (Hand Feed)

12 14 16

60 60 60

5°-10° 5°-10° 5°-10°

.105 .125 .135

.145 .170 .180

.236”-.944” Stacked

Radial or Panel (Power Feed)

8 10 12 14

60 60 60 60

5°-10° 5°-10° 5°-10° 5°-10°

.090 .090 .105 .105

.125 .125 .145 .145

1.5”-2.0” Stacked Plexiglas® G

Radial or Panel (Power Feed)

14 16 18

60

5°-10° 5°-10° 5°-10°

.125 .135 .135

.170 .180 .180

60 60

General: All teeth to be tipped with Premium No. 2 carbide, ground to a triple-chip style with additional side clearance and slight corner level on square tooth.

Material

Type Saw

Diameter

No. of

Rake

Plate Thickness

Kerf Width

Additional

Thickness

(Inches)

Teeth

Angle

(Inches)

(Inches)

Information

TABLE 1A

5

Carbide-Tipped Circular Saw Blade Recommendations

.052” rim thickness, 2” rim .054” rim thickness, 2” rim .060” rim thickness, 2” rim

Document info
Document views122
Page views122
Page last viewedFri Dec 09 07:54:48 UTC 2016
Pages36
Paragraphs975
Words17780

Comments