JTW-SERIES MACHINE SCREW JACK

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1 J A C TO N I N D U S T RY C O., LT D L I F T I N G S Y S T E M S S O L U T I O N S TEL: , SKYPE: jactonjack sales@screwactuator.com WEB: SERIES MACHINE SCREW JACK * The worm gear driven machine screw jack incorporates a heat treatment standard #45 steel worm which drives a high strength bronze worm gear. The worm shaft is supported on anti-friction deep groove ball bearings with external seals provided to prevent loss of lubrication. Lubrication with synthetic grease ep2 lithium grease. The bronze worm gear is supported on anti-friction ball thrust bearings. Rotation of the bronze worm gear causes the acme thread lifting screw to translate or rotate, depending upon jack configuration. The jack housing is made of ductile iron and proportioned to support the rate capacity of the unit. The lifting screw is made of standard #45 steel. * Series Machine Screw Jack major configuration devides the jacks into translating machine screw jacks, lifting nut rotating machine screw jacks, anti-rotation keyed machine screw jacks, anti-backlash machine screw jacks, double clevis machine screw jacks etc. Upright and inverted type machine jacks. Standard lifting screw end types such as top flange (top plate), clevis end (male clevis), threaded end and plain end, also can custom to make kinds of lifting screw ends. * In the absence of vibration load, Series Machine Screw Jack has self lock and precisely position loads, will hold loads without backdriving, and no need any brake mechanism or locking system. Lifting force from 1 ton to 100 ton. Linear speeds up to m/min. Can be driven by motors, hand wheels or both together, 10 sizes in two gear ratios for high and slow linear speeds. Can be mounted in any attitude. Generally maintenance free. * Series Machine Screw Jack are used wherever controlled lifting, lowering, pushing and pulling is required. They can be installed single unit, in pairs or multiple units machine screw jack lifting systems simultaneously lifting. Accessories such as electric motors, hand wheels, digital counters, flexible couplings, bevel gearboxes, bellows boots, limit switches, drive shafts, pillow blocks, flange blocks, stop nuts, gear motors, worm gear reducer, rod ends etc. * Series Machine Screw Jack Application in metallurgy industry, mining industry, chemical industry, construction industry and irrigation industry such as Large dish antenna movement, Workplace table adjustments, Vacuum furnace lid lifters, Roll lifts, Mandrel pushers Sluice gates, Unwind stands, Calender stacks, Translating lift for pallets, Unstacking unit for plate materials, Mobile scissor table suitable for pallet truck transfer, Height adjustment in a bottle testing system, Adjustment of steel shuttering for concrete beams, Scissor table combination for exact height positioning of a platform, High voltage switch gear Die set tables, Electron beam adjustments, Horizontal presses, Saw blade tension, Stage lifts for scenery changes, Robotics manipulator, Disc refiner blade adjustment etc. S C R E W J A C K S B E V E L G E A R B O X E S L I F T I N G S Y S T E M S S Y S T E M S A C C E S S O R I E S C U S T O M S C R E W J A C K S C U S T O M A C M E S C R E W S

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4 Model 1T 2.5T 5T Specifications 10T 15T 20T 25T 35T 50T Max. lifting force(ton) Max.pulling force(ton) T Lift screw sizes (mm) 24x4 30x6 40x7 58x12 58x12 65x12 90x16 100x20 120x20 160x23 Gear ratio (H) 6:1 6:1 6:1 8:1 8:1 8:1 32:3 32:3 32:3 12:1 Lift screw travel (mm), per turn of input shaft (H) Efficiency % (H) Gear ratio (L) 24:1 24:1 24:1 24:1 24:1 24:1 32:1 32:1 32:1 36:1 Lift screw travel (mm), per turn of input shaft (L) Efficiency % (L) Idling torque (N.m) Max. length of lift screw (mm), when tensile force Max. permissible power (kw) Lubricant (kg) Weight without stroke (kg) Weight of screw (kg), per 100 mm stroke Remarks: 1. H: high ratio, L: low ratio 2. Max. allowable power is under the conditions that ambient temperature 20 degree C, duty cycle 20%h and input speed 1500rpm. 3. Efficiency is under grease lubrication. 4. Self-locking under static conditions.

5 1T Performance Tables (Lift Screw Tr24x4) F = 1Ton F = 0.8Ton F = 0.6Ton F = 0.4Ton H L 6.6Nm 2.7Nm 5.3Nm 2.1Nm 4Nm 1.6Nm 2.7Nm 1Nm H: 1/6 L: 1/24 (kw) (kw) (kw) (kw) (kw) (kw) (kw) (kw) F = 0.3Ton F = 0.2Ton F = 0.1Ton 2Nm 0.8Nm 1.3Nm 0.53Nm 0.66Nm 0.27Nm H: 1/6 L: 1/24 (kw) (kw) (kw) (kw) (kw) (kw) T Performance Tables (Lift Screw Tr30x6) F = 2.5Ton F = 2.0Ton F = 1.5Ton F = 1.0Ton H L 18Nm 7.1Nm 14Nm 5.7Nm 11Nm 4.3Nm 6.9Nm 2.9Nm H: 1/6 L: 1/24 (kw) (kw) (kw) (kw) (kw) (kw) (kw) (kw) F = 0.5Ton F = 0.25Ton F = 0.1Ton 3.5Nm 1.4Nm 1.7Nm 0.71Nm 0.7Nm 0.28Nm H: 1/6 L: 1/24 (kw) (kw) (kw) (kw) (kw) (kw)

6 5T Performance Tables (Lift Screw Tr40x7) F = 5Ton F = 4Ton F = 3Ton F = 2Ton H L 44.2Nm 19.3Nm 35.4Nm 15.5Nm 26.5Nm 11.6Nm 17.7Nm 7.7Nm H: 1/6 L: 1/24 (kw) (kw) (kw) (kw) (kw) (kw) (kw) (kw) F = 1Ton F = 0.5Ton F = 0.25Ton 8.8Nm 3.9Nm 4.4Nm 1.9Nm 2.2Nm 1.0Nm H: 1/6 L: 1/24 (kw) (kw) (kw) (kw) (kw) (kw) T Performance Tables (Lift Screw Tr58x12) F = 10Ton F = 8Ton F = 6Ton F = 4Ton H L 108Nm 53Nm 87Nm 43Nm 65Nm 32Nm 44Nm 22Nm H: 1/8 L: 1/24 (kw) (kw) (kw) (kw) (kw) (kw) (kw) (kw) F = 2Ton F = 1Ton F = 0.5Ton 22Nm 11Nm 11Nm 5.3Nm 5.4Nm 2.7Nm H: 1/8 L: 1/24 (kw) (kw) (kw) (kw) (kw) (kw)

7 15T Performance Tables (Lift Screw Tr58x12) F = 15Ton F = 10Ton F = 8Ton F = 6Ton H L 163Nm 92Nm 108Nm 53Nm 87Nm 43Nm 65Nm 32Nm H: 1/8 L: 1/24 (kw) (kw) (kw) (kw) (kw) (kw) (kw) (kw) F = 4Ton F = 2Ton F = 1Ton 44Nm 22Nm 22Nm 11Nm 11Nm 5.3Nm H: 1/8 L: 1/24 (kw) (kw) (kw) (kw) (kw) (kw) T Performance Tables (Lift Screw Tr65x12) F = 20Ton F = 16Ton F = 12Ton F = 10Ton H L 228Nm 123Nm 182Nm 98Nm 137Nm 74Nm 114Nm 62Nm H: 1/8 L: 1/24 (kw) (kw) (kw) (kw) (kw) (kw) (kw) (kw) F = 7.5Ton F = 5Ton F = 2.5Ton 86Nm 46Nm 57Nm 31Nm 29Nm 16Nm H: 1/8 L: 1/24 (kw) (kw) (kw) (kw) (kw) (kw)

8 25T Performance Tables (Lift Screw Tr90x16) F = 25Ton F = 20Ton F = 16Ton F = 12Ton H L 314Nm 181Nm 252Nm 145Nm 201Nm 116Nm 151Nm 87Nm H: 3/32 L: 1/32 (kw) (kw) (kw) (kw) (kw) (kw) (kw) (kw) F = 10Ton F = 7.5Ton F = 5Ton 126Nm 73Nm 95Nm 55Nm 63Nm 37Nm H: 3/32 L: 1/32 (kw) (kw) (kw) (kw) (kw) (kw) T Performance Tables (Lift Screw Tr100x20) F = 35Ton F = 30Ton F = 25Ton F = 20Ton H L 464Nm 253Nm 398Nm 217Nm 332Nm 181Nm 266Nm 145Nm H: 3/32 L: 1/32 (kw) (kw) (kw) (kw) (kw) (kw) (kw) (kw) F = 15Ton F = 10Ton F = 5Ton 199Nm 109Nm 133Nm 73Nm 67Nm 36Nm H: 3/32 L: 1/32 (kw) (kw) (kw) (kw) (kw) (kw)

9 50T Performance Tables (Lift Screw Tr120x20) F = 50Ton F = 45Ton F = 40Ton F = 35Ton H L 848Nm 448Nm 764Nm 401Nm 679Nm 353Nm 594Nm 316Nm H: 3/32 L: 1/32 (kw) (kw) (kw) (kw) (kw) (kw) (kw) (kw) F = 30Ton F = 20Ton F = 10Ton 509Nm 271Nm 339Nm 180Nm 169Nm 90Nm H: 3/32 L: 1/32 (kw) (kw) (kw) (kw) (kw) (kw) T Performance Tables (Lift Screw Tr160x23) F = 100Ton F = 90Ton F = 80Ton F = 70Ton H L 1938Nm 1012Nm 1747Nm 915Nm 1554Nm 813Nm 1359Nm 711Nm H: 1/12 L:1/36 (kw) (kw) (kw) (kw) (kw) (kw) (kw) (kw) F = 60Ton F = 40Ton F = 20Ton 1165Nm 611Nm 776Nm 406Nm 388Nm 203Nm H: 1/12 L:1/36 (kw) (kw) (kw) (kw) (kw) (kw)

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JT-SERIES TRAPEZOIDAL SCREW JACKS

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