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Carver Inc

5-2

5.2

HYDRAULIC UNIT - AIR BLEED PROCEDURE

An occasional cause of hydraulic system malfunction is air entrapment in the hydraulic circuit. To purge the system,

open the release valve 1/2 turn or raise the cam release lever on 30 ton(267Kn) Models, and pump the unit about 12

times. Close the release valve and test. If pressure does not build properly, repeat this procedure.

IMPORTANT:

To avoid damage to the hydraulic unit ram seal, DO NOT exceed the maximum ram travel. Refer to

Section 3 to determine the arm travel of your press. Refer to the label on the front of the hydraulic

unit.

Содержание 12-10

Страница 1: ...MANUAL TWO and FOUR POST MANUAL HYDRAULIC PRESSES HEATED AND UNHEATED IMPORTANT PLEASE READ CAREFULLY BEFORE INSTALLING OR OPERATING THIS EQUIPMENT CARVER INC 1569 Morris Street P O Box 544 Wabash IN...

Страница 2: ...considerations when selecting a hydraulic press CARVER INC can advise you on proper selection and sizing of systems for the operating environment at your location CARVER INC is committed to a continu...

Страница 3: ...LLATION 3 4 3 5 SETTING UP 3 4 3 6 GAUGE INFORMATION 3 5 3 7 RAM FORCE CALCULATION 3 5 3 8 FILLING THE OIL RESERVOIR 3 6 3 9 GASES OR DUST REMOVAL 3 6 3 10 CONNECTING UTILITIES 3 6 SECTION FOUR OPERAT...

Страница 4: ...10 1 SECTION ELEVEN APPENDIX 11 1 Hydraulic Unit Drawings 12 ton 25 ton 11 1 Hydraulic Unit Section View Typical 11 1 Hydraulic Unit Drawing 30 ton 11 1 Gauge Union Coupling Assembly Typical 11 1 Hydr...

Страница 5: ...ucts crushing analysis on cement core samples molding of plastic quality control specimens and preparing KBr or tracer pellets etc Each accessory allows you to tailor the hydraulic press to your speci...

Страница 6: ...CT NOTICE If you believe that your equipment has a defect which could cause injury you should immediately discontinue its use and inform CARVER INC at our address listed in this manual The principle f...

Страница 7: ...machinery formed over a period of months or years Your employer probably has established a set of safety rules in your workplace Those rules this manual or any other safety information will not keep y...

Страница 8: ...attended even for a moment check all settings before starting the next cycle If your press has multiple platens be sure ALL floating platens are completely open before reaching into the clamp area At...

Страница 9: ...standing this manual NEVER move molds or service the press with the electric power on Clean bolsters platens and molds before installing the mold set Dirt or foreign materials can cause misalignment r...

Страница 10: ...EMEMBER TO BLEED all pressure from system components refer to the Maintenance Section of this manual TURN OFF all air water and hydraulic pressure supplies and all accessory equipment at the machine D...

Страница 11: ...l in accordance with the national and local codes which apply When you have completed the repair or maintenance procedure check your work remove your tools rigging and handling equipment Do not restor...

Страница 12: ...57 0 16 75 0 425 75 16 19 406 0 14 75 0 374 1 16 25 406 N A N A N A N A 0 11 0 279 0 5 5 0 140 N A N A 0 5 75 0 146 N A N A 0 12 0 305 FOOTPRINT W x D IN MM 11 x 16 279 x 406 11 x 16 279 x 406 16 x 15...

Страница 13: ...AYLIGHT OPENING UNHEATED IN MM HEATED IN MM 1 15 25 381 N A N A 2 9 2 228 N A N A N A N A 0 10 0 254 N A N A 2 3 2 76 1 14 25 355 N A N A 2 9 2 228 N A N A FOOTPRINT W x D IN MM 18 x 18 457 x 457 18 x...

Страница 14: ...G UNHEATED IN MM HEATED IN MM N A N A 0 9 5 0 241 N A N A 2 3 2 76 1 17 25 431 N A N A 2 9 2 228 N A N A N A N A 0 12 0 305 N A N A 2 3 2 76 FOOTPRINT W x D IN MM 18 X 25 457 X 635 18 X 25 457 X 635 1...

Страница 15: ...482 X 482 HEIGHT IN MM 30 761 36 914 42 1066 WEIGHT lbs Kg 190 83 380 166 575 250 NOISE LEVEL 70db A 70db A 70db A FULL LOAD CURRENT 115V 240V 12 2A 6 1A 24 4A 12 2A N A 22 6A MAX SYSTEM PRESSURE PSI...

Страница 16: ...See reference drawing 110478B in the appendix IMPORTANT DO NOT use more than two 2 seals at one time 3 7 RAM FORCE CALCULATION All CARVER gauges are calibrated for the specific ram diameter of the hyd...

Страница 17: ...isconnect switch or disconnect plug Connect main power to the press through the disconnect CAUTION On presses with thermostat control customer is to provide short circuit protection based upon the ele...

Страница 18: ...er air mix from the platen it is connected to The outlet hoses can be connected to a common manifold or separately connected to the plants drain system The outlet manifold or hoses must be connected t...

Страница 19: ...th the standard press may cause the press to be unstable and may cause an over pressure condition resulting in damage to the hydraulic unit CAUTION When using a press with hot plates gauntlet gloves s...

Страница 20: ...he release valve is equipped with a mechanical stop to prevent the valve from being turned out to far Pulling the cam release lever toward the operator to the horizontal position will allow the clamp...

Страница 21: ...l MH 25 Ton 223Kn 4389CE drawing 100665D Model 12 12 2H 12 Ton 107Kn 4123CE drawing 100331D Model 25 12 25 Ton 223Kn 3855CE drawing 100327D Model 25 12 2 25 Ton 223Kn 4124CE drawing 100318D Model 25 1...

Страница 22: ...n spacer pump the hydraulic unit to build force to the maximum capacity of the press 8 Tighten the lower nuts against the bottom surface of the top bolster as tight as possible 9 This is a good time t...

Страница 23: ...ameplate current draw Digital Platen Control Systems Select the ON position of the ELECTRICAL DISCONNECT switch located on the front of the control panel of presses equipped with digital platen contro...

Страница 24: ...ster more efficient production of laminations Another feature of this press is the variety of standard laminating accessories available These include CARVER polished chrome plates These plates have a...

Страница 25: ...venly throughout the stack They also protect exposed surfaces of the polished plates It is not necessary to replace the blotters for each lamination however if they become brittle and hard due to high...

Страница 26: ...eces two four or more may be laminated in the same layer A border left around the edges for trimming at least 1 4 6 4mm on all sides and 1 2 12 5mm between pieces is necessary 6 One plastic sheet 7 Re...

Страница 27: ...Carver Inc 4 9...

Страница 28: ...nating cycles After the stack has heated sufficiently for lamination to take place it is then transferred to the cold opening The two holding clamps are used to hold the stack of laminations firmly wh...

Страница 29: ...t variance in these figures may be needed to suit particular conditions and requirements 2 The pressure may drop as much as several hundred pounds newtons below the desired load without harm This is p...

Страница 30: ...cycle that the plastic sets or changes from a semi liquid to a solid state The press is designed so that the cooling operation will be a little faster than the heating therefore maintaining a continu...

Страница 31: ...e valve c Worn or dislodged internal packing d Dirty valve seat e Air entrapment a Tighten hydraulic connections and refill with oil b Close release valve c Replace packing or seals where necessary d...

Страница 32: ...2 turn or raise the cam release lever on 30 ton 267Kn Models and pump the unit about 12 times Close the release valve and test If pressure does not build properly repeat this procedure IMPORTANT To av...

Страница 33: ...LLOWABLE TONS SQUARE ROUND TONS IN CM IN CM IN 2 CM2 SHORT METRIC 3 7 62 7 07 45 62 4 25 3 86 3 7 62 9 00 58 07 5 50 4 99 4 10 16 12 56 81 04 7 50 6 80 4 10 16 16 00 103 23 9 60 8 71 5 12 70 19 64 126...

Страница 34: ...nti wear and anti foaming additives in the viscosity range of 150 SSU 100 F 38 C and a viscosity index of 90 can be used provided it is filtered prior to being added to the hydraulic reservoir IMPORTA...

Страница 35: ...ates Test Cylinders Heated Platens Heating Cooling Plates Heated Test Cylinders Filter Pads KBr Buffer Plates Tile Molds Blotters Polished Plates Cage Equipment Pressure Cells Color Dispersion Molds P...

Страница 36: ...rvice Department for details CARVER INC SALES DEPARTMENT Call from 8 00 a m to 4 30 p m Eastern Standard Time 260 563 7577 Extension 252 or 237 CARVER products are sold through a worldwide network of...

Страница 37: ...ded conditions The Company s obligation under this warranty is limited to those parts which within twelve 12 months from delivery of equipment to original purchaser are returned to the factory with tr...

Страница 38: ...Carver Inc 10 1 SECTION TEN PICTOGRAM TAG INFORMATION WARNING TAGS CRUSHING INJURY HOT SURFACE HIGH VOLTAGE INSIDE ENCLOSURE ONLY...

Страница 39: ...Carver Inc 10 2 WARNING TAGS cont SHOCKING HAZARD HIGH VOLTAGE...

Страница 40: ...AGS POWER ON POWER OFF TEMPERATURE CONTROL UNIT NUMBER 1 FOR PLATEN 1 TEMPERATURE CONTROL UNIT NUMBER 2 FOR PLATEN 2 TEMPERATURE CONTOL UNIT NUMBER 3 FOR PLATEN 3 TEMPERATURE CONTOL UNIT NUMBER 4 FOR...

Страница 41: ...Carver Inc 10 4 PLATEN NUMBER 1 PLATEN NUMBER 2 PLATEN NUMBER 3 PLATEN NUMBER 4...

Страница 42: ...Carver Inc 10 5 PRESS IDENTIFICATION TAG PRESS IDENTIFICATION TAG ELECTRICAL INFORMATION TAG...

Страница 43: ...ngs 12 ton 25 ton Hydraulic Unit Section View Typical Hydraulic Unit Drawing 30 ton Gauge Union Coupling Assembly Typical Hydraulic Cylinder 30 ton Electrical Symbol Cross Reference Electrical Drawing...

Страница 44: ...11 2...

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Страница 46: ...ncl rings CP13 10 329065 12 Pump Valve complete P1 12 329045 13 Overload Valve complete CP13 13 329046 14A Release Plunger complete CP13 17 329051 14B Release Valve complete PAC 18 32948 15 Lever Hand...

Страница 47: ...place and proper tools are necessary to insure efficient and effective repair Special tools can be furnished on request TYPICAL ASSEMBLY DRAWING OF TWO SPEED PUMP SHOWING SECTIONAL VIEW LOCATION B C B...

Страница 48: ...m Pump fails to supply greater output at no load than under load 1 2 3 4 1 2 3 4 5 6 Release valve ball not seating properly Ball Valves not seating properly Overload valve ball not seating properly L...

Страница 49: ...h compressed air 5 Install new packing wipers and static seals being sure packing sealing lips face down toward the pressure Dip each part into clean hydraulic oil before assembly 6 Open the release v...

Страница 50: ...springs To reassemble insert in sequence small ball small spring large ball and large spring in cleaned chamber Using the valve seal inserting tool CP13 44 assemble new valve seal Finally screw in va...

Страница 51: ...raulic oil and carefully insert into plunger chamber Replace release lever and lever pin OVERLOAD VALVE If the pump fails to lift or hold a load after the release valve and pump valves have been check...

Страница 52: ...valve spring and relief plunger Use threaded socket tool CP13 41 for removing plunger Clean and inspect valve hole Inspect plunger packing and replace if necessary To reassemble dip plunger packing in...

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