Modified Stock Gearing - Boston Gear

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

Roller Chains Transmission/Conveyor/Heavy Series Double Pitch Dimensions ALL DIMENSIONS IN INCHES Avg. Avg. E H T G Wgt. Chain Pitch Width Dia. A B C Thick- F Pin Ultimate Number Strgth. Per ness Dia. (Lbs.) Foot Lbs. 2040 1 .312 .312 .65 .42 .32 .060 .46 .156 3,700 .30 2050 1-1/4 .375 .400 .79 .56 .40 .080 .59 .200 6,100 .45 2060 1-1/2 .500 .468 .98 .64 .49 .094 .69 .234 8,500 .68 2080 2 .625 .625 1.28 .74 .64 .125 .88 .312 14,500 1.11 2100 2-1/2 .750 .750 1.54 .91 .77 .156 1.16 .375 24,000 1.94 C B T Transmission Series H A E G F PITCH OVERSIZE ROLLERS STANDARD ROLLERS Conveyor Series G C B T G H A E C B T G H A E F F PITCH PITCH ALL DIMENSIONS IN INCHES H Avg. weight per foot Avg. (Lbs.) Chain Ultimate Pitch E Over- A B C T F G Over- Thermo- Number Std. Strgth. Std. Roller Size (Lbs.) Roller size plastic Roller Roller Roller C2040 1 .312 .312 .625 .65 .42 .32 .060 .46 .156 3,700 .32 .55 .33 C2050 1-1/4 .375 .400 .750 .79 .56 .40 .080 .59 .200 6,100 .53 .84 .54 C2060H 1-1/2 .500 .468 .875 1.11 .65 .55 .125 .69 .234 8,500 .92 1.40 .94 C2080H 2 .625 .625 1.125 1.41 .80 .70 .156 .88 .312 14,500 1.52 2.21 1.52 C2100H 2-1/2 .750 .750 1.562 1.67 .98 .83 .187 1.15 .375 24,000 2.30 3.75 — C2120H 3 1.000 .875 1.750 2.07 1.21 1.03 .218 1.37 .437 34,000 3.70 5.71 — C2160H 4 1.250 1.125 2.250 2.60 1.52 1.30 .281 1.87 .562 58,000 5.85 8.93 — ALL DIMENSIONS IN INCHES Avg. Avg. Chain Ultimate Wgt. Number Pitch E H A B C T F G Strgth. Per (Lbs.) Foot Lbs. 60H 3/4 .500 .468 1.11 .65 .55 .125 .680 .234 8,500 1.14 80H 1 .625 .625 1.41 .80 .70 .156 .930 .312 14,500 1.93 100H 1-1/4 .750 .750 1.67 .98 .83 .187 1.156 .375 24,000 3.06 120H 1-1/2 1.000 .875 2.07 1.21 1.03 .218 1.375 .437 34,000 4.45 140H 1-3/4 1.0001.000 2.20 1.28 1.10 .250 1.625 .500 46,000 5.68 160H 2 1.2501.125 2.60 1.52 1.30 .281 1.875 .562 58,000 7.33 180H 2-1/4 1.4061.406 2.95 1.75 1.48 .312 2.130 .687 80,000 9.10 200H 2-1/2 1.5001.562 3.63 2.02 1.66 .375 2.312 .781 95,000 13.50 Heavy Series P-1930-BG 04/10 Boston Gear 800-825-6544 245
Engineering Information Conveyor Chain Selection G Single or Double Pitch, Flat-Top and Hollow Pin Chain In order to select a chain for a conveyor application, the Velocity and maximum Chain Pull must be established. The total pull may be obtained if the Torque and Sprocket PD are known, or if the Horsepower and Velocity can be determined. 2T Chain Pull, W = D 33000 P W = V W = 126050 P nD If a pair of chains are used, the pull on each chain will be half of the total chain pull. Having determine the Chain Pull, refer to Chain Load Rating Charts on Page 247 and select a chain with a capacity equal to or greater than the Chain Pull Required. To Calculate Chain Length (L): where: For Single Pitch Chain L = 2C + N For Double Pitch & Flat-Top Chain L = 2C + N — 2 L = Chain Length, Pitches C = Center Distance, Pitches N = Number of Teeth in One Sprocket* The computed value of L must be rounded out to a larger whole number of pitches (links) for each complete chain. Any whole number of links is satisfactory for Hinge-Top Chain but an even number should be selected for Single or Double Pitch or Flat-Top Chains. To obtain the center distance or chain length in inches, the value in pitches should be multiplied by the chain pitch. Example 1. Selecting a Double Pitch Conveying Chain. The power required to move material at 50 FPM is 1 Horsepower on a Conveyor with a Center Distance of 10 ft. Step I: W = Chain Pull, Lbs. T = Torque, In. Lbs. D = Sprocket PD, Inches P = Horsepower V = Chain Velocity, FPM {n = Sprocket Speed, RPM Determine Chain Pull: W = 33,000 P = 33000 x 1 = 660 Lbs. V 50 Step III: Determine Chain Length in Pitches. Convert Center Distance (10 feet) to pitches. C = 10 x 12 = 96 Pitches 1.25 Chain Length (L) = 2C + N 2 25 Chain Length (L) = 2 x 96 + = 204.5 2 Adjust to next larger even whole number. Chain Length (L) = 206 Pitches *Assuming same size Driver and Driven Sprockets. Single Pitch & Double Pitch Chain For horizontal conveyor applications where the HP or Torque data is not available, the approximate Chain Pull can be calculated from the Weight to be moved (product and cha in) and the Coefficient of Friction (between sliding surfaces of chain and supporting ways). For Normal operation: Chain Pull W = (M = 2m) Cf W = Chain Pull Lbs. M = Product Weight, Lbs. per Ft. m = Chain Weight, Lbs. per Ft. C = Conveyor Length (between Centers), Ft. f = Coefficient of Friction (see Table). For trial purposes, let m = 1.0 for other conveyor chains. Note: The estimated weight of pins and/or attachments (per foot of chain) should be included in chain weight. Whenever the product becomes stalled on a moving conveyor, the chain pull is increased. The Added Pull depends on the Stalled Weight (of product) and the Coefficient of Friction (between surfaces of product and chain). For stalled product: Added Chain Pull, w = Mlf w = Added Chain Pull, Lbs. M = Product Weight, Lbs. per Ft. l = Length of Stalled Product, Ft. f = Coefficient of Friction (see Table). Step II: Refer to Conveyor Chain Load Rating Chart, page 165. Select a double pitch chain with a Working Load equal to or greater than 660 lbs. at 50 FPM. Selection — C2050 (1.25” Pitch) with 5/8 pitch sprockets 50B25 (or larger). For Stalled condition: Total Chain Pull = W = w, Lbs. If a pair is used, the pull on each chain will be half of the total chain pull. 246 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
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Product Selection / Reference Guide
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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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Spur Gears 10 and 8 Diametral Pitch
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Page 33 and 34:
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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Internal Gears 64 through 24 Diamet
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Spur Gears Approximate Horsepower a
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Helical Gears 24 through 10 Transve
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Helical Gears Boston standard stock
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Helical Gears Approximate Horsepowe
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Miter Gears 48 through 20 Diametral
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Miter Gears 8 through 4 Diametral P
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Bevel Gears 48 through 20 Diametral
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Bevel Gears 12 and 10 Diametral Pit
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Spiral Bevel Gears 30 through 8 Dia
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Miter Gears Steel & Iron - Straight
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Bevel Gears Steel & Iron - Straight
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Notes C 84 Boston Gear 800-825-6544
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Worms & Worm Gears 48 Diametral Pit
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Worms & Worm Gears 8 Diametral Pitc
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Worms & Worm Gears 4 Diametral Pitc
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Worms & Worm Gears Boston worms and
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Worms & Worm Gears Steel-Hardened,
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Shaft Couplings FC Series Insert (3
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Shaft Couplings BF Series Bost-Flex
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Shaft Couplings SCC Series Clamping
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Shaft Couplings FCP Series Sleeve T
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Universal Joints J/JS Series Bored
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Universal Joints UJNS/UJNL Series B
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Universal Joints JP Series Single a
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Setscrew Collars SC/SSC Series Stee
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Clamping Collars CSC/CSSC/CASC Seri
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Thrust Washers Steel and Stainless
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Grooved Pulleys G1200 Round Belt Ty
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Miniature Timing Belts and Pulleys
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Miniature HTD ® Timing Belts 3M Se
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Timing Belt Pulleys PA Series For 9
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Timing Belt Pulleys PLB Series For
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Miniature HTD ® Timing Belts 5M Se
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Timing Belt Pulleys PA Series For 1
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Timing Belt Pulleys PLB Series For
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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 3000 Series
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Anti-Friction Bearings Flanged 400F
Page 199 and 200: Anti-Friction Bearings 600 Series T
Page 201 and 202: Anti-Friction Bearings 2100 Series
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: Roller Chains ANSI Standard Double,
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 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
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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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