Worm Gear Speed Reducer CONSTRUCTION FEATURES
A. Rugged housing of fine-grained, gear-quality cast iron provides maximum strength and durability. Greater rigidity and one-piece construction ensure precise alignment of the worm and gear. This housing construction also provides superior resistance to caustic washdown solutions, plus high heat dissipation and reduced noise level. Pipe plugs allow easy fill, level and drain in any mounting position.
B. Housings are straddle-milled top and bottom for precise alignment of horizontal and vertical bases.
C. Multi-position mounting flexibility – threaded bolt holes let you install 700 Series speed reducers in almost any position.
D. Internal baffle assures positive leak-free venting.
E. Large oil reservoir provides highly efficient heat dissipation and lubrication for longer operating life.
F. High pressure angle on worm provides greater operating efficiency.
G. Integral input worm and shaft design made from high-strength case-hardened alloy steel. Reduced sizes 710 through 726 have pre-lubricated bearings; 732 through 760 have tapered roller bearings. Double lip oil seals are standard.
H. Super-finished oil seal diameters on both input and output shafts provide extended seal life.
I. High strength steel output shaft assures capacity for high torque and overhung loads.
J. High-strength bronze worm gear is straddle mounted between heavy-duty tapered roller bearings to increase thrust and overhung load capacities, sizes 713-760.
(See Figure 6.5)
