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Text version of the page
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| | Air-Powered Gearmotors | | |||||||||||||||||||||||||||||||||||||||||||||||||||
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| Get the right gearmotor with all the right options. | |||||||||||||||||||||||||||||||||||||||||||||||||||||
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| D. | More reasons why you should switch from electricity to air. If you compare Gast Air-Powered Gearmotors with any electric-powered gearmotor, there's really no comparison. Here's why: • More horsepower. Size for size, weight for weight, you can't beat a Gast Gearmotor. A typical rotary vane air motor - the type used in gearmotors -developing 2V2 hp (1,9 kW) at 1800 rpm and 90 psi (6,2 bar), weighs just 17 pounds (7,7 kg). A comparable electric motor may be two or three times heavier. • More speed control. You can't get more precise turning power than with a Gast Gearmotor. In applications where you need variable speed - like bolt tensioning equipment or rock drilling rigs - one-speed electric motors just won't fit the bill. Precise lifting, lowering, or turning is simple with Gast Gearmotors. • More flexibility. More than most standard electric-powered gear reducers can provide. Gast Gearmotors give you infinitely variable turning power from 73 to 5200 lb. in. (8 to 587 Nm) of torque. And Gast Gearmotors are instantly reversible through easy valving in the air line. • More configurations. That makes it easier for our product to work in your product. Our gearmotors are available in four mounting configurations. • M ore life. Unlike electric-powered gearmotors, there's no chance of burn-out with a Gast Gearmotor. They can be stalled indefinitely with no heat buildup. They're non-electrical sparking, too, which makes them ideal for use in potentially explosive environments - places where you couldn't even consider electricity. Recommended Oil for Gearbox Since contamination and oxidation of the lubricating oil does occur, we recommend changing oil every six months or 2500 hours, whichever occurs first, under Class I Service. If service is more severe, oil changes should be made more frequently. To assist in selection of proper lubricant, we have listed names by company. 50°F to 125°F (10°C to 52°C) Ambient Temperature MANUFACTURER AGMA Compound No. 8 | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| F. Pictured: typical right-angle, worm gear reducer. A. Bearings Ball bearings used on input shaft; tapered roller bearings used on output shaft. B. Case Fine close-grain cast iron; crankcase sealed; duplex-milled for parallelism of mounting surfaces. C. Worm 8620 alloy steel thread rolled to give uninterrupted grain pattern; carburized and hardened after rolling; high-burnish contact surface from rolling reduces friction coefficient for less heat generation, lower power losses. In large sizes, worms are cut, hardened, and ground to a good micro-finish, providing the ultimate in efficiency and torque capacity. D. Worm Gear Forged bronze; geometry and high helix angle give maximum beam strength, high efficiency. E. Cap Screw High-strength fasteners with corresponding torque specifications prevent loosening or breaking. F. Seals Double-dipped and spring-loaded for leak proofing; tested to ensure compatibility with lubricant. | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| 1,501,251,00-| 0,750,50 0,25 0 | 2.00 | Gearmotors | |||||||||||||||||||||||||||||||||||||||||||||||||||
| 1.75 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| 1.50 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| ■ 1.25 |
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| i 1.00 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| ■ 0.75 | •Model 1AM-GR11 _| "Model 1UP-GR11 | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| 0.50 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| 0.25 | 60 psi (4,2 bar)* 80 psi (5,6 bar)** 40 psi (2,8 bar)* 40 psi (2,8 bar)** J | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| 0 | 0 | | |||||||||||||||||||||||||||||||||||||||||||||||||||
| 100 200 300 400 speed - RPM (output) | 500 | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| WARNING: Gast Air-Powered Gearmotors are not self-locking. In applications where a break is required for safety in case of air pressure failure, contact your distributor. | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| Referenced: spurgear reducers only | |||||||||||||||||||||||||||||||||||||||||||||||||||||
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