Modified Stock Gearing - Boston Gear

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$sub-fractional hp double reduction flanged reducers - Boston Gear$

Worms & Worm Gears 3 Diametral Pitch (Cast Iron Worm Gears, Steel Worms – Unhardened & Hardened) Pressure Angle – 14-1/2° RATIO = Gear Teeth ÷ Worm Threads All Worm and Worm Gears stocked RIGHT HAND ONLY. ALL DIMENSIONS IN INCHES ORDER BY CATALOG NUMBER OR ITEM CODE 3 FACE = 2.000" *CENTER LINE WORM TO FLUSH END = 1.000" WORM DIAMETRAL PITCH GEARS Style No. Hub See SINGLE Thread of Pitch Page Catalog Item Teeth Dia. Bore Dia. Proj. 315 Number Code 18 6.000 1.000 3.00 1.50 G1110 13248 24 8.000 G1111 13250 B 30 10.000 3.50 G1112 13252 36 12.000 1.500 1.50 G1113 13254 48 16.000 C G1114 13256 4.00 54 18.000 D G1115 13258 3 WORMS FOR ABOVE GEARS † DIAMETRAL PITCH SINGLE Thread Hub Pitch Catalog Item Dia. Face Bore Dia. Proj. Number Code UNHARDENED – STEEL 4.000 4.000 G1116KRH 12880 1.500 – – 5.500 L1116 12910 HARDENED STEEL 4.000 4.000 H1116 12978 1.500 – – 5.500 HL1116 13016 †All worms furnished with .375" keyway. Hardened Worms have ground and polished threads. FACE * HUB PROJ. BORE HUB DIA. PITCH DIA. STANDARD TOLERANCES DIMENSION TOLERANCE BORE All ±.0005 WORM LEAD and LEAD ANGLE LEAD 1.0472" LEAD ANGLE 4°46' FACE KEYWAY D PITCH DIA. BORE REFERENCE PAGES Alterations — 314 Horsepower Ratings — 97, 98 Lubrication — 314 Materials — 315 Selection Procedure — 96 P-1930-BG 04/10 Boston Gear 800-825-6544 95
Worms & Worm Gears Boston worms and worm gears provide an effective answer for such power transmission applications as high-ratio speed reduction, limited space, right-angle shafts and non-intersecting shafts. When properly applied, they are the smoothest and quietest form of gearing. Steel worms and cast iron or bronze worm gears are available in single, double or quadruple threads, 48 to 3 diametral pitch. Acetal worms and worm gears are available in single thread, 48 to 24 diametral pitch. Selection Procedure Approximate input horsepower and output torque ratings for Boston stock worm and worm gear combinations from 12 to 3 DP are listed on Pages 97, 98. These ratings are for hardened, ground and polished worms operating with bronze worm gears. For other combinations multiply the listed ratings by the following percentages: Hardened, ground and polished steel worms with cast iron gears 50%. Unhardened steel worms with cast iron gears 25%. These ratings are listed at selected worm speeds. Ratings for inter mediate speeds can be interpolated from the values indicated. 1. Determine service factor. a. Using Application Classification Chart I, pages 323, 324, determine service factor or b. With knowledge of operating conditions and load classification, select service factor from Table 1. 2. Determine Design Horsepower. Design HP = Application Load x Service Factor (Table 1) 3. Select worm gear set with horsepower capacity equal to [or greater than] design horsepower determined in Step 2. These ratings are based on gears operating with a Service Factor of 1.0, properly mounted in accordance with good design practice and continuously lubricated with a sufficient supply of oil. D Service Factor Operating Conditions 0.8 Uniform—not more than 15 minutes in 2 hours. 1.0 1.25 1.50 TABLE 1 Moderate Shock—not more than 15 minutes in 2 hours. Uniform—not more than 10 hours per day. Moderate Shock—not more than 10 hours per day. Uniform—more than 10 hours per day. Heavy Shock—not more than 15 minutes in 2 hours. Moderate Shock—more than 10 hours per day. 1.75 Heavy Shock—not more than 10 hours per day. 2.0 Heavy Shock—more than 10 hours per day. Heavy shock loads and/or severe wear conditions may require the use of higher service factors. Consultation with factory is recommended in these applications. 96 Boston Gear 800-825-6544 P-1930-BG 04/10
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A L T R A I N D U S T R I A L M O T
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Table Of Contents Stock Altered and
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Modified Stock Gearing With thousan
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Custom Gearing “Request For Quota
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Custom Gearing Capabilities Gear Ty
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Gear Selection Stock Gears Pressure
Page 13 and 14:
Product Selection / Reference Guide
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Page 17 and 18:
Page 19 and 20:
Boston Gear Helical Gears ■ Paral
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Boston Gear Worms and Worm Gears
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Spur Gears 48 and 32 Diametral Pitc
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A Spur Gears 24 and 20 Diametral Pi
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Page 29 and 30:
Spur Gears 10 and 8 Diametral Pitch
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Spur Gears 6 and 5 Diametral Pitch
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Change Gears 20 Diametral Pitch (St
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Change Gears 12 Diametral Pitch (St
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Change Gears 8 Diametral Pitch (Ste
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Drawn Pinion Wire 48, 32 and 24 Dia
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Internal Gears 48 through 16 Diamet
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Spur Gears 48 Diametral Pitch (Delr
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Spur Gears 32 Diametral Pitch (Delr
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Page 49 and 50: Spur Gears 12 and 10 Diametral Pitc
Page 51 and 52: Spur Gears 6 and 5 Diametral Pitch
Page 53 and 54: Internal Gears 64 through 24 Diamet
Page 55 and 56: Spur Gears Approximate Horsepower a
Page 69 and 70: Helical Gears 24 through 10 Transve
Page 71 and 72: Helical Gears Boston standard stock
Page 73 and 74: Helical Gears Approximate Horsepowe
Page 75 and 76: Miter Gears 48 through 20 Diametral
Page 77 and 78: Miter Gears 8 through 4 Diametral P
Page 79 and 80: Bevel Gears 48 through 20 Diametral
Page 81 and 82: Bevel Gears 12 and 10 Diametral Pit
Page 83 and 84: Spiral Bevel Gears 30 through 8 Dia
Page 85 and 86: Miter Gears Steel & Iron - Straight
Page 87 and 88: Bevel Gears Steel & Iron - Straight
Page 89 and 90: Notes C 84 Boston Gear 800-825-6544
Page 91 and 92: Worms & Worm Gears 48 Diametral Pit
Page 97 and 98: Worms & Worm Gears 8 Diametral Pitc
Page 99: Worms & Worm Gears 4 Diametral Pitc
Page 103 and 104: Worms & Worm Gears Steel-Hardened,
Page 105 and 106: Shaft Couplings FC Series Insert (3
Page 107 and 108: Shaft Couplings BF Series Bost-Flex
Page 109 and 110: Shaft Couplings SCC Series Clamping
Page 111 and 112: Shaft Couplings FCP Series Sleeve T
Page 113 and 114: Universal Joints J/JS Series Bored
Page 115 and 116: Universal Joints UJNS/UJNL Series B
Page 117 and 118: Universal Joints JP Series Single a
Page 119 and 120: Setscrew Collars SC/SSC Series Stee
Page 121 and 122: Clamping Collars CSC/CSSC/CASC Seri
Page 123 and 124: Thrust Washers Steel and Stainless
Page 125 and 126: Grooved Pulleys G1200 Round Belt Ty
Page 127 and 128: Miniature Timing Belts and Pulleys
Page 129 and 130: Miniature HTD ® Timing Belts 3M Se
Page 131 and 132: Timing Belt Pulleys PA Series For 9
Page 133 and 134: Timing Belt Pulleys PLB Series For
Page 135 and 136: Miniature HTD ® Timing Belts 5M Se
Page 137 and 138: Timing Belt Pulleys PA Series For 1
Page 139 and 140: Timing Belt Pulleys PLB Series For
Page 141 and 142: BOST-BRONZ Oil-Impregnated Sintered
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BEAR-N-BRONZE 660 Cast Bronze Beari
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Bronze Bearing Emergency Banks SAVE
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BOStonE F-1 Glass Filled Teflon Bea
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RULON ® 641 Bearings Boston Gear
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BOStonE Molded Plastic Bearings F B
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BOStonE Molded Plastic Bearings Rol
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F BOStonE Molded Plastic Bearings R
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BOStonE Molded Plastic Bearings Gui
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BOStonE Molded Nylon Bearings Plain
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Engineering Information Sleeve Bear
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Engineering Information Sleeve Bear
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Engineering Information Lubrication
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Engineering Information Shaft Clear
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Engineering Information Machining F
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Anti-Friction Bearings Ball Bearing
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F Anti-Friction Bearings 1600 Serie
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Anti-Friction Bearings 7600 Series
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Anti-Friction Bearings Flanged 400F
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Anti-Friction Bearings 600 Series T
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Self-Aligning Bearings KF Female Se
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Self-Aligning Bearings CMHD Male/CF
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Self-Aligning Bearings HME Male/HFE
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Self-Aligning Bearings LHA-LHB-LHSS
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Self-Aligning Bearings LS/LSS Serie
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Engineering Information Engineering
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Engineering Information Engineering
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Mounted Bearings Replacement Bearin
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Mounted Bearings Replacement Bearin
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Mounted Ball Bearings PS Series Pre
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Mounted Ball Bearings L/H Series Pi
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Mounted Ball Bearings SL/SH Series
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Mounted Ball Bearings MB Series Pil
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Mounted Ball Bearings XL2/XL3 Serie
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Mounted Ball Bearings F/T Series Fl
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Mounted Ball Bearings SF/ST Series
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Mounted Ball Bearings MBP Series Pi
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Mounted Bearings TU Series Take-Up
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Engineering Information Analysis of
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Engineering Information Mounted Bal
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Engineering Information Application
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Notes F 240 Boston Gear 800-825-654
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Roller Chains Description of Roller
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Roller Chains ANSI Standard Double,
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Engineering Information Conveyor Ch
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Engineering Information Conveyor Ch
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Notes G 250 Boston Gear 800-825-654
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Roller Chains Hollow Pin Single and
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Ladder Chain Steel-Stainless Steel-
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Chain Pullers The Boston Chain Pull
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Chain Drives Roller Chain Sprockets
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Roller Chain Drives Horsepower Rati
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Roller Chain Drives Horsepower Rati
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Roller Chain Drives Selection SPEED
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H Miniature Chain Sprockets Single
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Roller Chain Sprockets Single Stran
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H Roller Chain Sprockets Single Str
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Block Chain Sprockets Type B Single
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Ladder Chain Sprockets Type B Singl
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Roller Chain Drive Tensioners Type
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Roller Chain Drive Tensioners Type
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Engineering Information Spur Gears
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Engineering Information Spur Gears
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I Engineering Information Spur Gear
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Engineering Information Helical Gea
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Engineering Information Helical Gea
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Engineering Information Miter and B
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Engineering Information Worms and W
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Engineering Information Couplings A
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Engineering Information General I M
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Engineering Information Sprockets I
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Engineering Information Sprocket Di
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Engineering Information Temperature
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Engineering Information Metric Conv
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Engineering Information Application
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Index to Catalog Numbers Catalog Nu
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Index to Catalog Numbers I Catalog
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Altra Industrial Motion All Custome
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Modified Stock Gearing - Boston Gear

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