Power Chucks with Quick Change Jaw System

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Actuating cylindersHydraulic hollow cylinders are used togenerate actuating forces for power chucks.The new FORKARDT OMHJ series is ideal forstrong and delicate clamping at all speeds.Key Features:• Compact reliable, modular design• Short overall length for easy fitmentto lathes• Advanced bearing and seals design• Competitive pricingOther FORKARDT accessoriesavailable include:• Hydraulic cylinders OMHJ(for open centre - clamping).• Draw tubes and bars, cylinder flanges(machine - related).• Hard and soft top standard – jaws.• Roughing jaws.• Special grease keeping the clamping force.• Lapping plates for the maintenanceof fine serration of chuck jaws.• Special chuck jaws(work piece – related)Chuck jaws• Highly precise oil feed and coolantdrainage systems• Balanced to class Q = 2.5• Alternate controlledsafety of non-returnvalves• Clamping stroke monitoringincluded as standard• Continuous clampingstroke monitoring as option• Developed and producedunder ISO 9001:2000Gripping force metersTo ensure the reliable, safe and accurate operationof all chucking systems an accurate gripping forcemeter is essential. The FORKARDT SKM productsare quick, precise and inexpensive.FORKARDT OMHJHydraulic through holecylinderGripping forcemetersSKM 1200 / 1500Power Chucks of the FNC series are delivered with the jawsof your choice:FMBFWBSoft top jawsSoft jaws (type FMB / FWB) are used for the accurateclamping of already machined work pieces, on whichclamping surfaces should not be damaged.These jaws are turned, by the user, under clampingpressure, to the respective clamping diameter to ensureextremely high accuracy and repeatability.260.10.06 E 01/09KBKTNCRoughing jawsFor heavy duty machining of overhanging work piecesroughing jaws KBKTNC with replaceable chucking clawsSKA (for external clamping) and SKI (for internal clamping)are available.The chucking claws provide safest gripping even onshort clamp surfaces.6W O R K H O L D I N G S O L U T I O N S W O R L D W I D E
Jaw mounting DFSTBChuck type Max. swing Jaw Nominal dimensions Ident-No. For external chucking For internal chucking Distance to WeightUKFST diameter type A B C D a1 a2 a3 a4 c1 DA 1 DA 2 DA 3 DA 4 DJ 1 DJ 2 DJ 3 gravity centerYs kg/each175 - 42 234 160 7,5 20 24 F160 D1070016633 79 23 43 63 45 8-65 59-108 99-148 138-188 63-112 102-152 142-192 35,5 0,350200 - 45 273 200 10 22 35 F200 D1070021633 94 24 48 72 60 8-76 69-128 116-176 164-224 65-124 113-173 160-220 41,0 0,615250 - 65250 - 72346 10-101 96-181 - 175-261 96-182 - 176-262315 - 65250 14 26 40 F250 D1070026533 115 39,7 - 79,9 70 53,0 1,090315 - 82400 - 85377 10-137 96-217 - 175-297 96-218 - 176-298400 - 92462 315 15 32 46 F315 D1070033533 129 37,5 - 92,8 81 40-202 106-276 - 216-386 109-278 - 218-388 59,0 1.770500 - 125 58640-236 150-357 - 272-480 152-367 - 274-480630 - 125 690400 20 45 52 F400 D1070038533 167 52,5 - 113,8 93110-339 150-459 - 272-582 152-460 - 274-58275,5 3,600FGB/FHBHard top jawF 160 and F 200Hard top jawF 250 up to F 630Chuck type Max. swing Jaw Nominal dimensions Ident-No. For external chucking For internal chucking Distance to WeightUKF diameter type A B C D Base jaw Top jaw a1 a2 a3 c1 DA 1 DA 2 DA 3 DA 4 DJ 1 DJ 2 DJ 3 gravity centerYs kg/each175 - 42 234 160 7,5 30 38,5 F160 D70016504 D1070016624 67 33,1 46,2 59,5 8-65 59-108 99-148 138-188 63-112 102-152 142-192 33,9 0,217200 - 45 273 200 10 30 45 F200 D70021504 D1070021624 75 33,7 47,8 70 8-76 69-128 116-176 164-224 65-124 113-173 160-220 40,3 0,340250 - 65250 - 72346 10-101 96-181 - 175-261 96-182 - 176-262315 - 65250 14 32 57 F250 D70026404 D1070026524 90 40,4 80,6 90,5 48,5 0,740315 - 82400 - 85378 10-137 96-217 - 175-297 96-218 - 176-298400 - 92462 315 15 36 64 F315 D70033404 D1070026524 106 37,0 91,3 99 40-202 106-276 - 216-386 109-278 - 218-388 55,3 2,240500 - 125 58640-236 150-357 - 272-480 152-367 - 274-480630 - 125 686400 20 45 85 F400 D70038404 D1070038524 110-339 150-459 - 272-582 152-460 - 274-58275,5 3,600260.10.06 E 01/09W O R K H O L D I N G S O L U T I O N S W O R L D W I D E7
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Power Chucks with Quick Change Jaw System

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