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When used with Boston Gear worms, Boston Gear's worm gears provide effective power transmission in applications requiring high-ratio speed reduction in a limited space using right angle (90°), non-intersecting shafts. They are also the smoothest, quietest form of gearing when properly applied.Boston Gear offers worm gears manufactured from a variety of materials, such as acetal, minlon, bronze, and cast iron to suit your application's requirements.Note: Because the efficiency of a worm gear drive depends on the lead angle and number of starts on the worm, the ratio should be kept low. To run properly, worms and worm gears operating together must have the same diametrical pitch and threads.
features
Increased efficiency with lower ratios
Resistance to back driving with some ratios
Minimal space requirements
High ratio speed reduction
Smoothest, quietest form of gearing
90° nonintersecting shaft applications
Pitch Diameter
1.667 in
No. of Leads
Single
No. of Teeth
40
Right / Left Hand
Right Hand
Bore Size
0.3125 in
Material
Minlon with Brass Inserts
No. of Threads
Single
Hardened Teeth
Without Hardened Teeth
Ratio
40:1
Bore Dia.
0.313 in
Pressure Angle
14 1/2 degrees
Flush Face to Worm Centerline
0.125
Length Through Bore
0.56 in
Helix Angle
4° 46'
Hub Dia.
0.75 in
Diametral Pitch
24
Center Distance
1.084 in
Weight
0.051 LB
EAN or UPC
781711541388
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