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Johnson Hardware VH-24 manual

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Table of contents for the manual

  • Page 1

    4/29/03 Manual V-16, V-24, VH-24, V-40 & VH-40 1 – Section I JOHNSON VERTICAL BAND SAWS INSTRUCTION MANUAL AND PARTS LIST SECTION I – Manual FOR MODELS E-16 V-16 V-24 VH-24 V-40 V H - 4 0 N MANUAL AND PARTS LIST MODEL: __________________ ______________________ SERIAL NUMBER: ____________________ ____________ DATE PURCHASED: ________________[...]

  • Page 2

    4/29/03 Manual V-16, V-24, VH-24, V-40 & VH-40 2 – Section I If machine is to be operated At 440 volt 3 phase power, please read the following warning. FOREWORD These instructions cover the installation and operation of vertical band saws. Attention to maintenance and service will afford many year s of trouble free operati on. We suggest that[...]

  • Page 3

    4/29/03 Manual V-16, V-24, VH-24, V-40 & VH-40 3 – Section I SECTION I - TABLE OF CONTENTS Specifications ......... .................. ...................... .............. ........................ 4 Machine Features ............... .................................... .................. ........... 5-6 Unloading ............. ...............[...]

  • Page 4

    4/29/03 Manual V-16, V-24, VH-24, V-40 & VH-40 4 – Section I SPECIFICATIONS Model Number: V-16 V-24/VH-24 V-40/VH-40 Capacity: Throat Inches 16 23-1/2 41 Work Height Inches 11 12-1/2 12-1/2 Table: Work Table Inches 23-1/2 x 23-1 /2 26-3/8 x 26-3/8 26-3/8 x 26-3/8 Auxiliary Inches -- 9 x 22-3/8 15-1/2 x 21-1/2 Height from Floor Inches 38 42 41[...]

  • Page 5

    4/29/03 Manual V-16, V-24, VH-24, V-40 & VH-40 5 – Section I[...]

  • Page 6

    4/29/03 Manual V-16, V-24, VH-24, V-40 & VH-40 6 – Section I[...]

  • Page 7

    4/29/03 Manual V-16, V-24, VH-24, V-40 & VH-40 7 – Section I MACHINE UNPACKING AND INSTALLATION UNLOADING: Remove the shrink-wrap covering the machine, carefully as not to damage painted surfaces, electrical or hydraulic parts. Carefully inspect the machine for physical damage. If damage is noted, notify the truck line at once. They may requi[...]

  • Page 8

    4/29/03 Manual V-16, V-24, VH-24, V-40 & VH-40 8 – Section I FILLING THE SPEED REGULATOR 1. Turn the saw on. 2. Screw the handwheel in. 3. Turn the saw off once handwheel is in. 4. Remove the mounting screws (item 6). 5. Remove the plug from the cylinder (Item 3). 6. Turn screw out. 7. Add oil (Lightweight hydraulic oil) slowly while turning [...]

  • Page 9

    4/29/03 Manual V-16, V-24, VH-24, V-40 & VH-40 9 – Section I WHEEL ALIGNMENT V-16 & V / VH-24 Note: This alignment is factory set, but may need adjustment when replacing blade. Two wheel machines have a bottom wheel that drives the saw blade and a top idle wheel that is adjustable to facilitate blade tracking. The edges of the wheels are [...]

  • Page 10

    4/29/03 Manual V-16, V-24, VH-24, V-40 & VH-40 10 – Section I BLADE TENSIONING The blade indicator is located inside the upper wheel compartment, on the lower left side of the idle wheel. (See machine features graphic) The indicator has an arrow mounted on the horizontal plane, with a corresponding scale for blade tensioning. The scale has tw[...]

  • Page 11

    4/29/03 Manual V-16, V-24, VH-24, V-40 & VH-40 11 – Section I An analysis of the work to be performed should be made and the proper blade selected. The blade should alw ays be inspected before installing on the machine. Things to look for should be the smoothness on the sides and back edge of the weld, look for any missing teeth, or impacted [...]

  • Page 12

    4/29/03 Manual V-16, V-24, VH-24, V-40 & VH-40 12 – Section I HIGH SPEED ROLLER GUIDES Applications and Advantages: Friction and abrasive cutting, filing operations, al uminum and woodcutting. These guides eliminate having to change inserts when changing to blades of different widths. Requirements for Installation: These roller guides must be[...]

  • Page 13

    4/29/03 Manual V-16, V-24, VH-24, V-40 & VH-40 13 – Section I 4: Insert the mounting stud (B) into the guide casting (A). Keep the stud flush with the front of the casting. Keeping the mounting stud flat area on the bottom, tighten securely the set screw (C) on the bottom of the casting. 5: Insert this stud and guide assembly into the 7/16”[...]

  • Page 14

    4/29/03 Manual V-16, V-24, VH-24, V-40 & VH-40 14 – Section I Repeat this process for the lower guide assembly. Note: Upper guide stud may be adjusted in or out in the guide post to allow proper clearance for blade, and for alignment with lower guide. Align backup bearing as previously described for upper guide. Tighten both set scre ws when [...]

  • Page 15

    4/29/03 Manual V-16, V-24, VH-24, V-40 & VH-40 15 – Section I Note: Occasionally the drive wheel may have to be jogged by hand to engage the transmission lever. The variable speed is achieved through the use of a variable regulator. (Figure 3) This is turned clockwise or counter clockwise to obtain an increase or decrease in blade speed, in e[...]

  • Page 16

    4/29/03 Manual V-16, V-24, VH-24, V-40 & VH-40 16 – Section I SAW BLADE SELECTION M AT ER I AL S H AP E M AT ER I AL S H AP E M AT ER I AL S H AP E MATERIAL IN INCHES TOOTH SELECTION TOOTH SELECTION TOOTH SELECTION 0 14 / 18 14 / 18 14 / 18 .1 14 / 18 14 / 18 14 / 18 .2 14 / 18 14 / 18 14 / 18 .3 10 / 14 14 / 18 10 / 14 .4 8 / 12 10 / 14 8 / [...]

  • Page 17

    4/29/03 Manual V-16, V-24, VH-24, V-40 & VH-40 17 – Section I MATERIAL ALLOY 1/2" 1" 2" 4" 7" 12" 1100,2011,2017, 2024 fpm 568 sipm 7 fpm 577 sipm 11 fpm 536 sipm 16 fpm 498 sipm 21 fpm 451sipm 23 fpm 389 sipm 24 ALUMINUM ALLOY 3003,5052,5086, 6061 fpm 568 sipm 7 fpm 577 sipm 11 fpm 536 sipm 16 fpm 498 sip m 21 f[...]

  • Page 18

    4/29/03 Manual V-16, V-24, VH-24, V-40 & VH-40 18 – Section I MATERIAL ALLOY 1/2" 1" 2" 4" 7" 12" A-6 fpm 227 sipm 3 fpm 223 sipm 4 fpm 214 sipm 6 fpm 199 sipm 9 fpm 180 sipm 9 fpm 156 sipm 10 COLD-WORK A-2 fpm 204 sipm 3 fpm 200 sipm 4 fpm 193 sipm 6 fpm 179 sipm 8 fpm 162 sipm 8 fpm 140 sipm 9 TOOL STEEL A-10 f[...]

  • Page 19

    4/29/03 Manual V-16, V-24, VH-24, V-40 & VH-40 19 – Section I NITRONIC 50,60 fpm 68 sipm 1 fpm 67 sipm 1 fpm 64 sipm 2 fpm 60 sipm 3 fpm 54 sipm 3 fpm 47 sipm 3 MATERIAL ALLOY 1/2" 1" 2" 4" 7" 12" M A R T E N S I T I C STAINLESS STEEL GREEK ASCOLOY fpm 108 sipm 1 fpm 106 sipm 2 fpm 102 sipm 3 fpm 95 sipm 4 fpm 86[...]

  • Page 20

    4/29/03 Manual V-16, V-24, VH-24, V-40 & VH-40 20 – Section I MATERIAL ALLOY 1/2" 1" 2" 4" 7" 12" INCONEL 751,X75 0 fpm 79 sipm 1 fpm 79 sipm 1 fpm 79 sipm 1 fpm 79 sipm 1 fpm 79 sipm 1 fpm 79 sipm 1 NICKEL BASE W ASPALOY fpm 79 sipm 1 fp m 79 sipm 1 fpm 79 sipm 1 fpm 79 sipm 1 fpm 79 sipm 1 fpm 79 sipm 1 ALLOY M[...]

  • Page 21

    4/29/03 Manual V-16, V-24, VH-24, V-40 & VH-40 21 – Section I 38 353 40% HYDRAULIC FEED TABLE Machines equipped with a hydraulic feed table (VH models) have a pumping unit in the base. Th e system has an adjustable relief valve, which is factory preset at 400 p.s.i. This setting may be reduced to afford greater sensitivity for cutting soft or[...]

  • Page 22

    4/29/03 Manual V-16, V-24, VH-24, V-40 & VH-40 22 – Section I Cut the blade ends accurately and at right angles. (See graphic below) Check abutment against the stop for a cut at right angles. Proper welding can only be achieved if the blade ends are cut with out a burr and at right angles. (Also see trouble shooting section) 2. ADJUSTMENT The[...]

  • Page 23

    4/29/03 Manual V-16, V-24, VH-24, V-40 & VH-40 23 – Section I After welding loosen the pressure clamps (7 fig. 1) and set the jaws to the wide annealing positio n by turning the upsetting pressure switch (2 fig. 1) counter clockwise. Re-clamp the blade so that the weld is in the center between the jaws. Operate the annealing switch (8 fig.1) [...]

  • Page 24

    4/29/03 Manual V-16, V-24, VH-24, V-40 & VH-40 24 – Section I If incoming voltage is high reverse this procedure. If incoming voltage is low, the welder transformer has taps that can be set to a 10% in crease or decrease. SHOCK HAZARD! ONLY A QUALIFIED ELECTRICIAN SHOULD ATTEMPT T HIS. ALWAYS CONTACT DAKE BEFORE RE MOVING THE WELDER. If the w[...]

  • Page 25

    4/29/03 Manual V-16, V-24, VH-24, V-40 & VH-40 25 – Section I RIP FENCE Standard all models (figure 2) (Part number 714805 – Model 24/40) (Part number 714869 – Model 16) Used for cutting material in accurate straight lines. To attach, insert T-bolt provided in the T-slot in the front of the table. Slide into the desired position and tight[...]