Section 9: Gearboxes: Series C

Transcription

1 GERBOXES Section 9: Gearboxes: Series C Modern design techniques enable the Fenner Series C Helical Worm gear unit to out perform any other gearbox in terms of lowest cost /. Drives up to 45kW Energy efficient right angled drive Versatile mounting Ratios from 8:1 to 13,500:1 off the shelf Dimensionally interchangeable with the market leaders ccepts standard IEC motors without modification TEX certification available Geared Drives: Design Data Required Motorised (integral motor) or non-motorised? Foot, flange or shaft mounted? Type of driven machine Rotational speed of driven machine Power absorbed by driven machine (or required output torque) Hours/day duty & start/stop frequency > If motorised: electrical supply available any special motor features required (brake, thermistors, flameproof etc.) > type of prime mover rotational speed of prime mover power rating of prime mover is an input shaft coupling required? if so, prime mover shaft dia. > If shaft mounted, machine shaft diameter/length > if foot mounted, is an output shaft coupling required? > constant or variable over what range? Series C Page Motorised 221 Motorised Dimensions 228 on Motorised 229 on Motorised Dimensions 230 Exact Ratios 232 ccessories 233 Capacities 234 Ordering Instructions 234 Installation & Maintenance 235 Visit

2 SERIES C Highly Efficient, Versatile Compact Solutions > Energy efficient right angled drive > Dimesionally interchangeable with market leaders > Versatile mounting > Oil tight gearhead enables motor removal without modification > ccepts standard IEC motors without oil spillage > Ratios from 8:1 to 13,500:1 The Mark of Engineering Excellence

3 Gerboxes Series C Gearboxes : Motorised selection (a) bsorbed Power Calculate absorbed power (kw) to drive designated machine P. (b) bsorbed Determine the absorbed torque and speed required by the driven machine. If the required output torque is not known it can be calculated using the following formula: M = P 2 x 9550 n 2 M = required output torque () P 2 = absorbed power (kw) n 2 = machine speed (rev/min) (c) From Table 1 select the Mechanical (Fm) applicable to the drive. If the unit is to be subjected to frequent stop/starts in excess of 10 times per day then multiply factor Fm by Fs from table 2. (d) Motor Power Refer to the selection tables and choose closest motor power above the required absorbed power then find the nearest available output speed to that required. Ensure it has sufficient output torque, if not, move to next motor size. (e) t the selected output speed read downwards to the first unit with an output torque in excess of the absorbed torque from step (b). Read across to column 3 and check if the service factor exceeds the value from step (c). If maximum service factor equals or exceeds the value from step (c) read across to unit selection column, this gives the relevant product code. If the value from step (c) exceeds the service factor read down to the first service factor to equal or exceed the value from step (c) and read across to the unit selection column. (f) s If the unit is to be fitted with an output shaft and an indirect drive attached to the shaft, calculate the overhung load value using the formula on page 234 and compare this value with the maximum allowable value given in column 5 of the selection tables. If the value exceeds the maximum allowed, then either re-design the indirect drive or select a larger unit capable of supporting the overhung load. (g) Shaft Mounted From the relevant dimension pages determine the required machine shaft diameter. There are several bore options on most of the range. TBLE 1 - MECHICL SERVICE FCTOR (Fm) Types of Driven Machine Uniform s gitators and Mixers liquid or semi-liquid Blowers centrifugal Bottling Machines Conveyors and Elevators uniformly loaded Cookers Laundry Washing Machines non-reversing Line Shafts Pumps centrifugal and gear Wire Drawing Machines Moderate Shock s gitators and Mixers variable density Conveyors not uniformly loaded Cranes travel motion and hoisting Drawbench Feeders pulsating load Hoists Kilns Laundry Tumblers Lifts Pumps reciprocating with 3 or more cylinders Pump and Paper Making Machinery Rubber Mixers and Calendars Screens rotary Textile Machinery Heavy Shock s Brick Presses Briquetting Machines Conveyors reciprocating and shaker Crushers Feeders reciprocating Hammer Mills Pumps reciprocating, 1 or 2 cylinders Rubber Masticators Screens vibrating Operational Hours Under 3 3 to 10 Over TBLE 2 - STRTIG FCTOR (Fs) Start/stops per hour Up to >200 Fs For TEX certified gear units please consult your local uthorised Distributor. OTE: (i) The output speeds in the selection table assume nominal motor speeds. In order to determine the exact output speeds of the unit refer to the motor details on page 314. (ii) For exact ratios of series C units refer to page 234. EXMPLE Series C motorised shaft mounted gear unit is required for a uniformly loaded conveyor which absorbs 5.7 kw at 46 rpm when running for up to 16 hours/day during which it stops and starts 8 times. (a) bsorbed power is 5.7kW (b) = 5.7 x 9550 = (c) From table 1 service factor is The machine stops and starts only 8 times a day therefore an additional stop/start factor is not required. (d) Closest motor power above 5.7kW is 7.5kW and the nearest available speed is 46 rev/min. (e) First unit with output torque in excess of 1183 is capable of 1424 and has a maximum service factor of factor exceeds 1.25 from step (c) therefore read across to unit selection column for product code, (f) From column 5 the overhung load capacity is If an indirect drive is fitted calculate the load using the formula on page 234 and compare it with this value. (g) Shaft diameter needs to be 70 mm. So the standard bore option can be used. FE01/14 : Drive Design & Maintenance Manual 221

4 Roller Chain Drive Series C Gearboxes : Motorised selection GERBOXES Double reduction Triple reduction Higher ratios are available on request KW Motor KW Motor KW Motor

5 GERBOXES Series C Gearboxes : Motorised selection Roller Chain Drive KW Motor KW Motor FE01/14 : Drive Design & Maintenance Manual 223

6 Roller Chain Drive Series C Gearboxes : Motorised selection GERBOXES Double reduction Triple reduction Higher ratios are available on request. 1.1 KW Motor KW Motor KW Motor

7 GERBOXES Series C Gearboxes : Motorised selection Roller Chain Drive KW Motor KW Motor FE01/14 : Drive Design & Maintenance Manual 225

8 Roller Chain Drive Series C Gearboxes : Motorised selection GERBOXES Double reduction, see page Triple reduction, see page Higher ratios are available on request. 5.5 KW Motor KW Motor KW Motor

9 GERBOXES Series C Gearboxes : Motorised selection Roller Chain Drive 15.0 KW Motor KW Motor KW Motor KW Motor KW Motor KW Motor FE01/14 : Drive Design & Maintenance Manual 227

10 GERBOXES Series C Gearboxes : Dimensions motorised Foot Mounted Motorised - with output shaft Double/Triple Reduction e1 q G X* Y* a1 4 Holes Øs1 w1v1 u1 Tapped Hole d1 FLGE MOUTED p Z* f1 b1 t1 h h1 L c D 4 Holes Øs b f n a i e a b c e f h h1 i n p q s a1 b1 e1 f1 s1 * Heavy Duty output shaft for 873 unit available as option (unit will have Ø35mm shaft unless requested) Shaft Dimensions D L t1 u1 v1 w1 d M8x1.25 x 15 deep Ø20 k M6 x 1.0 x 16 deep M10x1.5 x 20 deep Ø25 k M10 x 1.5 x 22 deep M10x1.5 x 18 deep Ø30 k M10 x 1.5 x 22 deep Ø35 k M12 x 1.75 x 25 deep M12x1.75 x 20 deep 130 Ø45 k6 * M16 x 2.0 x 36 deep G Dimension/weight - excluding motor Recommended Fixing Bolts Motor Frame Triple G kg G kg G kg G kg ll weights are approximate and exclude lubricant and packing * For Motor weight and dimensions X,Y and Z - please refer to motor tables on page Fasteners & Tightening 4 off M8 x 20mm long Tighten to off M10 x 30mm long Tighten to off M10 x 30mm long Tighten to off M12 x 40mm long Tighten to 85 Handing B 228

11 GERBOXES Series C Gearboxes : on-motorised selection Foot Mounted Motorised - with output shaft Double/Triple Reduction 4 Holes Øs1 q f1 b1 n1 G X* a1 L Tapped Hole d1 Y* w1 v1 u1 h h1 c p Z* t1 D b n 4 Holes Øs a i f e a b c e f h h1 i n p q s a1 b1 e1 f1 s1 Shaft Dimensions D L t1 u1 v1 w1 d M20x2.5 x 34 deep Ø45 k M16 x 2.0 x 36 deep M20x2.5 x 34 deep Ø60 m M12 x 1.75 x 28 deep M24x3.0 x 45 deep Ø70 m M16 x 2.0 x 36 deep M24x3.0 x 45 deep Ø90 m M16 x 2.0 x 36 deep G Dimensions/weight - excluding motor Recommended Fixing Bolts Motor Frame G Double kg G Triple kg G kg G kg G kg ll weights are approximate and exclude lubricant and packing * For Motor weight and dimensions X,Y and Z - please refer to motor tables on page Fasteners & Tightening 4 off M16 x 50mm long Tighten to off M20 x 65mm long Tighten to off M24 x 75mm long Tighten to off M24 x 80mm long Tighten to 610 Handing B Odd number of links, with inner at each end and 1 standard connecting link. Odd number of links, with outer at each end plus 1 double offset link. FE01/14 : Drive Design & Maintenance Manual 229

12 GERBOXES Series C Gearboxes : Dimensions motorised Shaft Mounted Motorised - with torque arm Double/Triple Reduction q G X* o o Y* 4 Holes Øs1 h2 Z* f1 b1 u1 m1 m2 a1 e1 d1 t1 m3 b c D m m b c d1 h2 o q a1 b1 e1 f1 s1 Shaft Dimensions D m1 t1 u1 m m2 m3 Shaft Fixing Bolt M8x1.25 x 15 deep Ø20 H M6 x 1.0 x 40mm long M10x1.5 x 20 deep Ø25 H7 * M10 x 1.5 x 50mm long Ø30 H M10 x 1.5 x 50mm long M10x1.5 x 18 deep Ø30 H7 * M10 x 1.5 x 50mm long Ø35 H M12 x 1.75 x 55mm long M12x1.75 x 20 deep Ø40 H7 * M16 x 2.0 x 70mm long Ø45 H M16 x 2.0 x 70mm long * lternate Bore Option G Dimension/weight - excluding motor rms Motor Frame Triple G kg G kg G kg Part umber vailable Positions Part umber vailable Positions Part umber vailable Positions Part umber vailable Positions increments increments increments increments 873 G kg ll weights are approximate and exclude lubricant and packing * For Motor weight and dimensions X,Y and Z - please refer to motor tables on page 314 Handing B 230

13 GERBOXES Series C Gearboxes : Dimensions motorised Shaft Mounted Motorised - with torque arm Double/Triple Reduction 4 Holes Øs1 q G X* f1 b1 o o e1 a1 h2 Z* Y* u1 m1 m2 d1 t1 m3 b c D m m Shaft Dimensions b c d1 h2 o q a1 b1 f1 n1 s1 D m1 t1 u1 m m2 m3 Shaft Fixing Bolt M20x2.5 x 34 deep Ø50 H7 * M16 x 2.0 x 36 deep Ø60 H M16 x 2.0 x 36 deep M20x2.5 x 34 deep Ø60 H7 * M12 x 1.75 x 28 deep Ø70 H M12 x 1.75 x 28 deep M24x3.0 x 45 deep Ø70 H7 * M16 x 2.0 x 36 deep Ø90 H M16 x 2.0 x 36 deep M24x3.0 x 45 deep Ø80 H7 * M16 x 2.0 x 36 deep Ø100 H M16 x 2.0 x 36 deep * lternate bore option G Dimension/weight - excluding motor rms 874 Double 874 Triple 875 Motor Frame G kg G kg G kg Part umber vailable Positions Partumber vailable Positions Part umber vailable Positions Part umber vailable Positions increments increments increments increments 876 G kg G kg ll weights are approximate and exclude lubricant and packing * For Motor weight and dimensions X,Y and Z - please refer to motor tables on page 314 Handing B FE01/14 : Drive Design & Maintenance Manual 231

14 GERBOXES Series C Gearboxes : Dimensions motorised Shaft Mounted Motorised - with flange Double/Triple Reduction q G X* o i c h2 Z* Øb Øa Y* Øe u1 m1 m2 t1 m3 h1 n x Holes Øs D m m Flange Dimensions Shaft Dimensions h2 h1 q o i Øa Øb c Øe n Øs D m1 t1 u1 m m2 m3 Shaft Fixing Bolt ** 80 j j Ø20 H M6 x 1.0 x 40mm long j j Ø25 H7 * M10 x 1.5 x 50mm long Ø30 H M10 x 1.5 x 50mm long Ø30 H7 * M10 x 1.5 x 50mm long Ø35 H M12 x 1.75 x 55mm long Ø40 H7 * M16 x 2.0 x 70mm long j Ø45 H M16 x 2.0 x 70mm long * lternate Bore Option ** Reduced flange option G Dimension/weight - excluding motor rms Motor Frame Triple G kg G kg G kg ** Flange Extended Shaft Flange Extended Shaft Flange Extended Shaft Flnage Extended Shaft Part o G kg Flange Shaft ll weights are approximate and exclude lubricant and packing * For Motor weight and dimensions X,Y and Z - please refer to motor tables on page 314 Handing B 232

15 GERBOXES Series C Gearboxes : Dimensions motorised Shaft Mounted Motorised - with flange Double/Triple Reduction Flange Dimensions Shaft Dimensions h2 h1 q o i Øa Øb c Øe n Øs D m1 t1 u1 m m2 m3 Shaft Fixing Bolt j Ø50 H7 * M16 x 2.0 x 36 deep Ø60 H M16 x 2.0 x 36 deep h Ø60 H7 * M12 x 1.75 x 28 deep Ø70 H M12 x 1.75 x 28 deep h Ø70 H7 * M16 x 2.0 x 36 deep Ø90 H M16 x 2.0 x 36 deep h Ø80 H7 * M16 x 2.0 x 36 deep Ø100 H M16 x 2.0 x 36 deep G Dimension/weight - excluding motor Flange and Shaft 874 Double 874 Triple 875 Motor Frame G kg G kg G kg Flange Extended Shaft Flange Extended Shaft Flange Extended Shaft OUtput Flange Extended Shaft Part o G kg G kg ll weights are approximate and exclude lubricant and packing * For Motor weight and dimensions X,Y and Z - please refer to motor tables on page 314 Handing B FE01/14 : Drive Design & Maintenance Manual 233

16 GERBOXES Series C Gearboxes : on motorised selection SELECTIO OF O-MOTORISED REDUCER UITS (a) From Table 1 select the Mechanical (Fm) applicable to the drive. If the unit is to be subjected to frequent stop/starts in excess of 10 times per day then multiply factor Fm by Fs from table 2. (b) Power Required Determine either the absorbed torque () or the input power (kw) required by the machine. The absorbed can be calculated using the following formula: M 2 = P 2 x 9550 n 2 M 2 = required output torque () P 2 = absorbed power (kw) n 2 = machine speed () (c) Design Power Multiply either the absorbed torque () or the power (kw) by the service factor determined in (a) (d) Ratio Required Divide the input shaft speed by the required output shaft speed to determine the gear ratio. (e) Refer to the gear ratio closest to the value determined in step (d). Check in column 3 for the nearest input shaft speed, then read across the table at this speed until a unit is found with either an output torque or input power that equals or exceeds the design power value determined in step (c) above. Column 4 gives the approximate output shaft speed for the selected speed and ratio combination. TBLE 1 SERVICE FCTORS (Fm) Types of Driven Machine Uniform s gitators and Mixers liquid or semi-liquid Blowers centrifugal Bottling Machines Conveyors and Elevators uniformly loaded Cookers Laundry Washing Machines non-reversing Line Shafts Pumps centrifugal and gear Wire Drawing Machines Moderate Shock s gitators and Mixers variable density Conveyors not uniformly loaded Cranes travel motion and hoisting Drawbench Feeders pulsating load Hoists Kilns Laundry Tumblers Lifts Pumps reciprocating with 3 or more cylinders Pump and Paper Making Machinery Rubber Mixers and Calendars Screens rotary Textile Machinery Heavy Shock s Brick Presses Briquetting Machines Conveyors reciprocating and shaker Crushers Feeders reciprocating Hammer Mills Pumps reciprocating, 1 or 2 cylinders Rubber Masticators Screens vibrating Operational Hours Under 3 3 to 10 Over TBLE 2 - STRTIG FCTOR (Fs) Start/stops per hour Up to >200 Fs

17 GERBOXES Series C Gearboxes : on-motorised selection Double Reduction - Ratings at 1450 rpm Ratio Code Ratio Speed Input Power kw Input Power kw Input Power kw Input Power kw ote; For ratings at input speeds other than 1450 rev/min, contact your local uthorised Distributor Input Power kw Input Power kw Input Power kw Input Power kw TRIPLE Reduction - Ratings at 1450 rpm Ratio Code Ratio Speed Input Power kw Input Power kw ote; For ratings at input speeds other than 1450 rev/min contact your local Distributor For output speeds below 6 rev/min in sizes consult your local Distributor Input Power kw Input Power kw Input Power kw FE01/14 : Drive Design & Maintenance Manual 235