Modified Stock Gearing - Boston Gear

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

Miniature Timing Belts and Pulleys Miniature HTD Timing Belt Drives Basic Construction Timing belts are essentially flat belts with the addition of evenly spaced teeth along the surface that contacts toothed pulleys. Power is transmitted smoothly and without slippage. Pulley pitch diameters are larger than their outside diameters and the belt pitch lines lie within the flat portion. Tension members are molded in the flat portion to serve as load-carrying elements. Miniature HTD timing belts have deep curvilinear tooth forms, as contrasted to trapezoidal for conventional timing belts. Greater strength, lower tooth pressures and decreased stress concentration result in superior performance. Selection The following general guidelines apply to selection of miniature HTD timing belts and pulleys: Design with ample reserve horsepower capacity and apply the proper service factors. The belt must have six or more teeth in engagement with the smaller pulley to carry rated Horsepower. Avoid small pulley diameters where practical to assure satisfactory belt life. Belt speed should not exceed 6500 feet per minute. At least one pulley in the drive should be flanged. For vertical shafts or where center distance exceeds eight times the smaller pulley diameter, both pulleys should be flanged. Horsepower Rating Tables provide ratings for operation no more than ten hours per day under uniform loading. Selection procedures is as follows: 1. Select Service Factor for chart below. 2. Determine Design Horsepower. Design Horsepower = Application Horsepower x Service Factor 3. Select small pulley and belt size from the rating tables, choosing a combination whose rating does not exceed the Design Horsepower. 4. For speed increasing applications an additional amount must be added to the Service Factor. 5. For speeds higher than shown in Rating Tables, consult factory. SERVICE FACTORS Load Classification Service Factor Uniform to 10 hrs./day 1.0 Uniform over 10 hrs./day Moderate Shock to 10 hrs./day 1.5 Moderate Shock over 10 hrs/day Heavy Shock to 10 hrs./day 2.0 SPEED-UP DRIVES Ratio Range Additional Factor 1 through 1.24 0 1.25 through 1.74 0.1 1.75 through 2.49 0.2 2.50 through 3.49 0.3 3.50 and over 0.4 E P-1930-BG 04/10 Boston Gear 800-825-6544 121
Miniature Timing Belts and Pulleys Miniature HTD Timing Belt Drives (Continued) Horsepower Ratings 3mm Pitch—6mm Wide Belt RPM of Small Pulley NUMBER OF GROOVES ON THE SMALL PULLEY 10 11 12 14 15 16 18 20 22 24 25 28 30 32 PD .376 .414 .451 .526 .564 .602 .677 .752 .827 .902 .940 1.053 1.128 1.203 100 .005 .005 .006 .007 .008 .009 .010 .011 .012 .013 .013 .016 .019 .020 300 .016 .017 .018 .021 .023 .025 .029 .033 .037 .040 .041 .048 .055 .059 500 .022 .024 .027 .030 .032 .035 .039 .043 .048 .053 .055 .062 .066 .070 700 .031 .035 .037 .042 .046 .049 .054 .061 .068 .075 .078 .087 .092 .098 1160 .040 .045 .050 .056 .061 .066 .072 .078 .089 .097 .101 .113 .120 .127 1500 .052 .058 .064 .072 .078 .085 .093 .101 .115 .125 .130 .145 .155 .165 1750 .061 .068 .075 .085 .091 .099 .108 .117 .134 .146 .152 .170 .182 .194 2500 .067 .074 .080 .091 .101 .107 .117 .134 .148 .161 .168 .192 .200 .213 3500 .094 .103 .113 .127 .141 .151 .165 .188 .207 .226 .236 .268 .278 .296 3mm Pitch—9mm Wide Belt RPM of Small Pulley NUMBER OF GROOVES ON THE SMALL PULLEY 10 11 12 14 15 16 18 20 22 24 25 28 30 32 PD .376 .414 .451 .526 .564 .602 .677 .752 .827 .902 .940 1.053 1.128 1.203 100 .007 .008 .009 .011 .013 .014 .016 .017 .019 .021 .022 .025 .030 .032 300 .025 .027 .029 .033 .036 .040 .046 .052 .059 .063 .066 .076 .087 .092 500 .035 .038 .043 .048 .051 .055 .062 .068 .076 .084 .088 .098 .104 .111 700 .049 .056 .059 .067 .073 .078 .085 .096 .107 .119 .124 .138 .146 .156 1160 .063 .071 .079 .089 .097 .104 .114 .123 .141 .154 .160 .179 .190 .203 1500 .082 .092 .101 .114 .123 .135 .147 .160 .182 .198 .206 .230 .246 .263 1750 .097 .108 .119 .135 .144 .157 .171 .185 .212 .231 .241 .269 .289 .308 2500 .106 .117 .127 .144 .160 .169 .185 .212 .235 .255 .266 .304 .317 .338 3500 .149 .163 .179 .201 .223 .239 .262 .298 .328 .358 .372 .425 .441 .470 5mm Pitch—9mm Wide Belt RPM of Small Pulley NUMBER OF GROOVES ON THE SMALL PULLEY 11 12 14 15 16 18 20 22 24 25 28 30 PD .689 .752 .877 .940 1.003 1.128 1.253 1.379 1.504 1.566 1.754 1.880 100 .021 .024 .027 .030 .033 .039 .042 .045 .051 .053 .063 .069 300 .063 .069 .081 .090 .096 .108 .126 .138 .153 .159 .186 .204 500 .090 .099 .117 .126 .132 .150 .165 .183 .198 .206 .231 .249 700 .129 .138 .162 .174 .186 .210 .231 .255 .279 .291 .324 .348 1160 .162 .180 .207 .225 .240 .270 .300 .327 .360 .375 .420 .447 1500 .210 .231 .270 .291 .309 .348 .387 .423 .465 .484 .543 .579 1750 .243 .270 .315 .339 .360 .405 .453 .495 .540 .562 .633 .675 2500 .267 .291 .342 .366 .393 .441 .492 .540 .588 .613 .687 .735 3500 .372 .405 .477 .510 .549 .615 .690 .756 .822 .856 .960 1.03 E 122 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
Page 3 and 4:
Table Of Contents Stock Altered and
Page 5 and 6:
Modified Stock Gearing With thousan
Page 7 and 8:
Custom Gearing “Request For Quota
Page 9 and 10:
Custom Gearing Capabilities Gear Ty
Page 11 and 12:
Gear Selection Stock Gears Pressure
Page 13 and 14:
Product Selection / Reference Guide
Page 15 and 16:
Page 17 and 18:
Page 19 and 20:
Boston Gear Helical Gears ■ Paral
Page 21 and 22:
Boston Gear Worms and Worm Gears
Page 23 and 24:
Spur Gears 48 and 32 Diametral Pitc
Page 25 and 26:
A Spur Gears 24 and 20 Diametral Pi
Page 27 and 28:
Page 29 and 30:
Spur Gears 10 and 8 Diametral Pitch
Page 31 and 32:
Page 33 and 34:
Change Gears 20 Diametral Pitch (St
Page 35 and 36:
Change Gears 12 Diametral Pitch (St
Page 37 and 38:
Change Gears 8 Diametral Pitch (Ste
Page 39 and 40:
Drawn Pinion Wire 48, 32 and 24 Dia
Page 41 and 42:
Internal Gears 48 through 16 Diamet
Page 43 and 44:
Spur Gears 48 Diametral Pitch (Delr
Page 45 and 46:
Spur Gears 32 Diametral Pitch (Delr
Page 47 and 48:
Page 49 and 50:
Page 51 and 52:
Page 53 and 54:
Internal Gears 64 through 24 Diamet
Page 55 and 56:
Spur Gears Approximate Horsepower a
Page 57 and 58:
Page 59 and 60:
Page 61 and 62:
Page 63 and 64:
Page 65 and 66:
Page 67 and 68:
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 and 100: Worms & Worm Gears 4 Diametral Pitc
Page 101 and 102: Worms & Worm Gears Boston worms and
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: Grooved Pulleys G1200 Round Belt Ty
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
Page 151 and 152: BEAR-N-BRONZE 660 Cast Bronze Beari
Page 159 and 160: Bronze Bearing Emergency Banks SAVE
Page 161 and 162: BOStonE F-1 Glass Filled Teflon Bea
Page 163 and 164: RULON ® 641 Bearings Boston Gear
Page 165 and 166: BOStonE Molded Plastic Bearings F B
Page 167 and 168: BOStonE Molded Plastic Bearings Rol
Page 169 and 170: F BOStonE Molded Plastic Bearings R
Page 175 and 176: BOStonE Molded Plastic Bearings Gui
Page 177 and 178:
BOStonE Molded Nylon Bearings Plain
Page 179 and 180:
Engineering Information Sleeve Bear
Page 181 and 182:
Engineering Information Sleeve Bear
Page 183 and 184:
Engineering Information Lubrication
Page 185 and 186:
Engineering Information Shaft Clear
Page 187 and 188:
Engineering Information Machining F
Page 189 and 190:
Anti-Friction Bearings Ball Bearing
Page 191 and 192:
F Anti-Friction Bearings 1600 Serie
Page 193 and 194:
Anti-Friction Bearings 7600 Series
Page 195 and 196:
Page 197 and 198:
Anti-Friction Bearings Flanged 400F
Page 199 and 200:
Anti-Friction Bearings 600 Series T
Page 201 and 202:
Page 203 and 204:
Self-Aligning Bearings KF Female Se
Page 205 and 206:
Self-Aligning Bearings CMHD Male/CF
Page 207 and 208:
Self-Aligning Bearings HME Male/HFE
Page 209 and 210:
Self-Aligning Bearings LHA-LHB-LHSS
Page 211 and 212:
Self-Aligning Bearings LS/LSS Serie
Page 213 and 214:
Engineering Information Engineering
Page 215 and 216:
Engineering Information Engineering
Page 217 and 218:
Mounted Bearings Replacement Bearin
Page 219 and 220:
Mounted Bearings Replacement Bearin
Page 221 and 222:
Mounted Ball Bearings PS Series Pre
Page 223 and 224:
Mounted Ball Bearings L/H Series Pi
Page 225 and 226:
Mounted Ball Bearings SL/SH Series
Page 227 and 228:
Mounted Ball Bearings MB Series Pil
Page 229 and 230:
Mounted Ball Bearings XL2/XL3 Serie
Page 231 and 232:
Mounted Ball Bearings F/T Series Fl
Page 233 and 234:
Mounted Ball Bearings SF/ST Series
Page 235 and 236:
Mounted Ball Bearings MBP Series Pi
Page 237 and 238:
Mounted Bearings TU Series Take-Up
Page 239 and 240:
Engineering Information Analysis of
Page 241 and 242:
Engineering Information Mounted Bal
Page 243 and 244:
Engineering Information Application
Page 245 and 246:
Notes F 240 Boston Gear 800-825-654
Page 247 and 248:
Roller Chains Description of Roller
Page 249 and 250:
Roller Chains ANSI Standard Double,
Page 251 and 252:
Engineering Information Conveyor Ch
Page 253 and 254:
Engineering Information Conveyor Ch
Page 255 and 256:
Notes G 250 Boston Gear 800-825-654
Page 257 and 258:
Roller Chains Hollow Pin Single and
Page 259 and 260:
Ladder Chain Steel-Stainless Steel-
Page 261 and 262:
Chain Pullers The Boston Chain Pull
Page 263 and 264:
Chain Drives Roller Chain Sprockets
Page 265 and 266:
Roller Chain Drives Horsepower Rati
Page 267 and 268:
Roller Chain Drives Horsepower Rati
Page 269 and 270:
Roller Chain Drives Selection SPEED
Page 271 and 272:
H Miniature Chain Sprockets Single
Page 273 and 274:
Roller Chain Sprockets Single Stran
Page 275 and 276:
H Roller Chain Sprockets Single Str
Page 277 and 278:
Page 279 and 280:
Page 281 and 282:
Page 283 and 284:
Page 285 and 286:
Page 287 and 288:
Page 289 and 290:
Page 291 and 292:
Page 293 and 294:
Page 295 and 296:
Block Chain Sprockets Type B Single
Page 297 and 298:
Ladder Chain Sprockets Type B Singl
Page 299 and 300:
Roller Chain Drive Tensioners Type
Page 301 and 302:
Roller Chain Drive Tensioners Type
Page 303 and 304:
Engineering Information Spur Gears
Page 305 and 306:
Engineering Information Spur Gears
Page 307 and 308:
I Engineering Information Spur Gear
Page 309 and 310:
Engineering Information Helical Gea
Page 311 and 312:
Engineering Information Helical Gea
Page 313 and 314:
Engineering Information Miter and B
Page 315 and 316:
Engineering Information Worms and W
Page 317 and 318:
Engineering Information Couplings A
Page 319 and 320:
Engineering Information General I M
Page 321 and 322:
Engineering Information Sprockets I
Page 323 and 324:
Engineering Information Sprocket Di
Page 325 and 326:
Engineering Information Temperature
Page 327 and 328:
Engineering Information Metric Conv
Page 329 and 330:
Engineering Information Application
Page 331 and 332:
Index to Catalog Numbers Catalog Nu
Page 333 and 334:
Index to Catalog Numbers I Catalog
Page 335:
Altra Industrial Motion All Custome
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Modified Stock Gearing - Boston Gear

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