The table shown in Figure 22 is a sampling of speed rates for various materials. Use these as a guideline.

Material

Alloy ASTM Number

Blade Speed

 

 

Ft/Min

Mtrs/Min

Copper

173,932

314

96

Alloys

330,365

284

87

 

623,624

264

81

 

230,260,272

244

74

 

280,264,632,655

244

74

 

101,102,110,122,172

234

71

 

1751,182,220,510

234

71

 

625, 706, 715, 934

234

71

 

630

229

70

 

811

214

65

Carbon

1117

339

103

Steels

1137

289

88

 

1141,1144

279

85

 

1141 High Stress

279

85

 

1030

329

100

 

1008,1015,1020,1025

319

97

 

1035

309

94

 

1018,1021,1022

299

91

 

1026,1513

299

91

 

A36 (SHAPES),1040

269

82

 

1042,1541

249

76

 

1044,1045

219

67

 

1060

199

61

 

1095

184

56

Nickle

8615, 8620, 8622

239

73

Chrome

4340, E4340, 8630

219

67

Molybdenum

8640

199

61

Alloys

E9310

174

53

Tool Steels

A-6

199

61

 

A-2

179

55

 

A-10

159

49

 

D-2

90

27

 

H-11,H-12,H-13

189

58

Stainless

420

189

58

Steels

430

149

46

 

410,502

140

43

 

414

115

35

 

431

95

29

 

440C

80

24

 

304, 324

120

36

 

304L

115

35

 

347

110

33

 

316, 316L

100

30

 

416

189

58

Figure 22. Material speed table.

-24-

Feed Rate Dial

Figure 23. Feed rate dial (shown with guard

removed).

Feed Rate

The speed at which the saw blade will cut through a workpiece is controlled by blade type, feed rate, and feed pressure. The feed rate is controlled by two knobs on the control panel.

Note: If a lubricant is used on the cut, the feed rate can be increased by approximately 15%.

To set the feed rate:

1.Raise the bow to the highest position.

2.Set the Feed Rate Dial to the desired feed rate. Range is from 1 being slowest, to 9 being fastest.

3.Turning the Feed Control Knob to the left to lower the bow at the feed rate you have set. Turning the knob to the right locks the bow in position.

If you get a tightly curled, warm shavings, brown to black in color, you are using too much downward pressure.

Blue looking chips are from extreme heat with a high band saw speed.

Thin powder-like chips are from insuffi- cient feed pressure. This will dull your blade rapidly.

The best cut and feed rate will give you evenly shaped spiraled curls with very little color change, if any at all.

G0592 Metal Cutting Bandsaw

Page 26
Image 26
Grizzly G0592 owner manual Feed Rate, To set the feed rate

G0592 specifications

The Grizzly G0592 is a high-performance milling machine designed to meet the demands of both professional and hobbyist woodworkers. Known for its robust construction and precise engineering, this machine combines versatility with durability, making it an essential tool for any woodworking shop.

One of the standout features of the G0592 is its powerful motor, which offers a significant amount of torque, enabling it to handle a variety of materials with ease. The machine is equipped with a 3 HP motor that operates on 220V single-phase power, providing consistent performance for heavy-duty milling tasks. This high power helps to minimize stalling or bogging down during operation, ensuring smooth and efficient cutting.

The G0592 also boasts a generous working table made from precision-ground cast iron, measuring 9” x 49”. This extensive surface area allows for the handling of larger workpieces and offers ample space for stock support. The table is fitted with T-slots, allowing for easy attachment of jigs, fixtures, and clamping tools, enhancing the versatility of the machine.

Another notable characteristic is its adjustable dovetail ways, which provide enhanced stability and precision during operation. This design helps in maintaining alignment and reduces wear on the machine over time. Additionally, the G0592 features a variable speed drive that allows users to adjust the spindle speed from 60 to 4,000 RPM, accommodating various cutting applications ranging from heavy milling to delicate engraving.

The head of the G0592 is also a significant aspect of its design. It can be swiveled up to 90 degrees, facilitating angular cuts and increasing the range of milling operations possible. Moreover, the machine includes a digital readout (DRO) for both the table and spindle positions, providing real-time feedback and enhanced accuracy during operations.

Safety features, such as an emergency stop button and a protective enclosure around the spindle, are integrated into the G0592 to ensure a safe working environment. Overall, the Grizzly G0592 is engineered for those who value precision and performance in their milling tasks, making it a reliable choice in both professional and amateur settings. Its robust build, ample features, and user-friendly design distinguish it as a leading option in the milling machine market.