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Roper Whitney U616 Operation And Maintenance Manual

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MODEL NO. U616 UNIVERSAL FINGER BRAKE
OPERATION, PARTS & MAINTENANCE MANUAL
Model:
Serial #:
Purchased From:
Date Received:
MADE IN THE USA

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Summary of Contents for Roper Whitney U616

  • Page 1 MODEL NO. U616 UNIVERSAL FINGER BRAKE OPERATION, PARTS & MAINTENANCE MANUAL Model: Purchased From: Serial #: Date Received: MADE IN THE USA...
  • Page 2 Distributed by: Trick-Tools 80 Truman Road Pella, IA 50219 Phone:1-877-VAN-SANT E-mail: sales@trick-tools.com Here at Trick Tools we believe that our customers deserve the best value in their tool and equipment purchases. We are constantly at work searching out a variety of high quality, high performance tools to offer at the best prices possible.
  • Page 3 The setup and operating instructions are based on the intended application of USAGE the machine as defined by Roper Whitney. Use of the machine for other applications is not precluded, but use for purposes specifically excluded is not recommended, and may void warranty provisions.

  • Page 4: Table Of Contents

    TABLE OF CONTENTS About This Manual Warranty Provisions Section 1: Safety Precautions General Precautions ........................1 Safety Precautions During Operation ..................... 2 Section 2: Machine Description Section 3: Specifications Section 4: Receiving and Installation Receiving ............................5 Unloading ............................5 Unpacking ............................
  • Page 5 Read all instructions thoroughly before operating the brake. Also contained in this manual is the parts list for your brake. It is recommended that only Roper Whitney or factory authorized parts be used as replacements.
  • Page 6 SAFETY LABELS Do not operate the U616 Brake without the proper safety labels in place. If your machine is missing the following labels, please contact Roper Whitney Co. or your authorized Roper Whitney distributor to order.

  • Page 7: Section 1: Safety Precautions

    SECTION 1 SAFETY PRECAUTIONS Before using the Roper Whitney manual brake, carefully read and fully under stand the safety precautions outlined in this section. GENERAL PRECAUTIONS pertain to the general workplace, and to the attitudes and work habits you bring to the job. SAFETY PRECAUTIONS DURING OPERATION pertain to work on the brake, and are repeated in other areas of the manual where they pertain.

  • Page 8: Safety Precautions During Operation

    SAFETY Do not attempt to operate the brake in excess of its rated capacity. Do not PRECAUTIONS attempt to form wire, nails, rods or pipe on the machine. DURING OPERATION Avoid any pinch points created by movement of the machine's components. Exercise care around the bending apron counterweights.

  • Page 9: Section 2: Machine Description

    SECTION 2 MACHINE DESCRIPTION Roper Whitney floor mounted Universal Finger Brakes are precision machines for use in bending mild steel and other sheet metals, including aluminum, brass, bronze, copper, duralumin; lead, monel metal, silver, carbon and stainless steel within rated capacity.

  • Page 10: Section 3: Specifications

    SECTION 3 SPECIFICATIONS FEATURE MODEL U616 Bed Length 73 in. Capacity on mild steel, 1” flange With bending bar and angle in place 16 Ga. With bending angle removed 20 Ga. With bending bar and angle removed 24 Ga. Minimum Reverse Bend (bending bar and angle removed) 1/4 in.

  • Page 11: Section 4: Receiving And Installation

    Also check to see that all material listed on the bill of lading is present. Since Roper Whitney equipment is normally sold F.O.B., factory in Rockford, IL, our responsibility for transit damage ceases when the transportation company signs the bill of lading indicating it has received the items listed in good condition.

  • Page 12: Site Preparation

    The clamping handles at each end of the brake are wrapped and wired in the down position to prevent damage and to prevent the handles from being used to move the brake. Remove the wires and wrapping. Wooden blocks are positioned between the upper and lower beam jaws to prevent damage during shipment.

  • Page 13: Setting The Brake

    SETTING THE Using the overhead crane, lift the brake from the skid and place it in its desired BRAKE location. Be sure the brake is properly balanced. WARNING THE BRAKE TENDS TO BE TOP HEAVY AND CAN TWIST IN THE SLING Use care when moving the brake from the skid to avoid injury.

  • Page 14: Installing The Counterweights

    INSTALLING THE Have an assistant raise the bending apron to the horizontal position, and hold it COUNTER- in that position while the counterweights hare installed. WEIGHTS Install a counterweight in the mounting hole in each end of the bending apron. Adjust the counterweights so that they balance the bending apron in the horizontal position.

  • Page 15: Section 5: Setup

    SECTION 5 SETUP Your new Roper Whitney Brake is pre-set and should not require field adjustment. The machine has been adjusted and pretensioned at the factory. SETTING Excessive clamping pressure is not required or desirable. It has a tendency to...

  • Page 16: Adjusting For Material Thickness

    SETTING At each end of the machine, tighten upper toggle pin lock nut against the CLAMPING toggle anchor (see Figure 3). PRESSURE At each end of the machine, pull the clamping lever forward against the stop. Each end should require equal effort. Adjust one end, if necessary, according to the general procedure above.

  • Page 17: Setting Up For Narrow Or Offset Bends

    ADJUSTING FOR Move the upper beam forward or back until proper clearance is achieved MATERIAL by turning the thickness adjusting screw located at rear of the leg bracket THICKNESS on each end of the machine (see Figure 4). Final adjustment must always be toward the front of the brake to remove backlash from the adjusting screws.

  • Page 18: Setting Up The Bend Angle Stop

    SETTING UP THE The bend angle stop can be adjusted for multiple or precision bends. Adjust the BEND ANGLE angle stop as follows: STOP Loosen the angle stop collar set screw and move the angle stop collar out toward the end of the angle stop rod. (See Figure 4.) Have an assistant move the apron to the desired position and hold it while you adjust the collar.

  • Page 19: Section 6: Operation

    SECTION 6 OPERATION GENERAL Operation of the brake is entirely manual, and the operator has full control of the INSTRUCTIONS operation at all times. Do not attempt to operate the brake in excess of its rated capacity. Do not attempt to form wire, nails, rods or pipe on the machine. If you are bending large sheets of material which are difficult to handle, you may wish to use an assistant to help in loading, clamping, and bending.

  • Page 20: Bending The Material

    BENDING THE Bend the material to the desired bend angle using the apron lift handles to apply MATERIAL the bending force. Under no circumstances use the counterweight rods for leverage. If the material being bent is long and protrudes from the machine, lift it during the bending operation to avoid creases or crimps caused by material weight.

  • Page 21: Hemming

    HEMMING Hemming is the most difficult operation to control accurately on a hand brake. Hemming creates pressure loads on the machine different than those created by regular bending, and optimum results will not be obtained using the same machine preloading for both hemming and bending. In factory tests, closing 24 Ga.

  • Page 22: Section 7: Periodic Maintenance

    SECTION 7 PERIODIC MAINTENANCE LUBRICATING Grease fittings are provided for rotating components where wear may occur..ROTATING Use a medium weight bearing grease, such as SAE No. 30, and grease weekly COMPONENTS when the brake is being used. The rotating components are: the clamping lever assembly, the apron hinge assembly (2 fittings), and the toggle pin bushing.

  • Page 23: Adjusting The Clamping Collars

    ADJUSTING THE The retaining system used to hold the clamping levers in the open position CLAMPING require periodic adjustment. Adjust the collars using the following procedure: COLLARS CLAMPING LEVER CLAMPING COLLAR CLAMPING COLLAR SET SCREW (ON O.D. OF LOCK CLAMPING WASHER COLLAR) Figure 8.

  • Page 24: Section 8: Maintenance Adjustments

    SECTION 8 MAINTENANCE ADJUSTMENTS BRAKE When the machine does not bend properly, it is sometimes necessary to CROWNING readjust the crown on the beams. Use the following procedure: ADJUSTMENTS Relieve all tension on the upper beam tensioning nuts and on the upper beam tensioning screw (see Figure 9).
  • Page 25 BRAKE CROWNING ADJUSTMENTS TOGGLE ANCHOR LOWER TOGGLE PIN ADJUSTING NUT Figure 10. Upper Beam Clamp Adjusting Components. THE BEAM AND THE BED MUST BE IN CONTACT AT THE CENTER OF THE MACHINE BEAM EXAGGERATED VIEW OF GAP AT EACH END OF THE MACHINE THE GAP MUST BE EQUAL AT BOTH ENDS Figure 11.

  • Page 26: Preloading Adjustment

    PRELOADING Once the brake crown has been set, the brake must be adjusted to produce ADJUSTMENT straight bending and a uniform radius. Follow the procedure below: Loosen the apron tensioning nuts on the apron, (see Figure 12) and the upper and lower beam tensioning nuts (see Figure 9). Loosen the upper and lower beam tensioning screws (see Figure 9).
  • Page 27 PRELOADING Tighten upper and lower beam tensioning nuts finger tight; and then, ADJUSTMENT using a wrench, tighten each from 1/4 to 1/2 turn. The bending brake is now properly adjusted for its rated gauge capacity in mild steel. HINGE BOLTS APRON JACK SCREWS Figure 13.

  • Page 28: Section 9: Repair Parts List

    SECTION 9 REPAIR PARTS The table below identifies parts which may be replaced on the Roper Whitney Universal Finger brake. Parts may be ordered directly from your Roper Whitney distributor. If you have no distributor in your area, you may order the parts directly from the company.
  • Page 29 Figure 14. Exploded View of Replacement Parts Page 23...
  • Page 30 ..continued from page 22 Ref. Part Number Part Name Qty. 257020054 Beam 757080015 Bushing, Slide Pin 656164302 Ring, Retaining, Slide Pin Bushing 457080076 Bushing, Eccentric 257090053 Bed Assembly 757130036 Stop Rod, Apron 600083604 Pin, Clevis 600073516 Pin, Cotter, 3/32 by 1-inch 757160038 Stud, Apron Stop 757260072...
  • Page 31 37,38 47,48 41,42 Figure 15. Exploded View of Replacement Parts Page 25...
  • Page 32 Figure 16. Exploded View of Finger Assemblies BEAM SECTION A-A (IDENTICAL FOR ALL THREE SIZES) Ref. Part Number Part Name Qty. 757010080 Finger Holder, 5” 757010079 Finger Holder, 4” 757010078 Finger Holder, 3” 757360077 Finger Tip, 5” 757360076 Finger Tip, 4” 757360075 Finger Tip, 3”...
  • Page 33 NOTES...

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