WORK SUPPORTS WORK SUPPORTS

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2 COMPACT PNEUMATIC Part No. AMNS-S PNEUMATIC Part No. BJ370 PRECISION SUPPORT Part No. BJ371 Part No. BJ350 CYLINDRICAL Part No. BJ351 COIL SPRINGS FOR CYLINDRICAL Part No. BJ351-C REMOTE-CONTROL UNITS Part No. BJ650 WITH CAM HANDLE Part No. BJ352 HORIZONTAL Part No. BJ351-A

3 COMPACT WITH CAM HANDLE Part No. BJ362 COMPACT Part No. BJ360

4 IMAO's Work Supports Solutions for workpiece chattering!! during machining low-profile part 1 Easy Setup Support a workpiece by the piston from bottom piston 2 Lock the piston by turning the knob *) Knob The piston fits to bottom surface of workpiece automatically by the inside spring. *) The piston locking element differs by work support's type, such as screws or handles. We also provide air operated types. PRECISION SUPPORT One-touch operation & Stable support capacity The displacement of the piston does not exceed 3μ m when locked Unlocking Locking For machining highly accurate workpiece PRECISION SUPPORT Ideal for Preventing chattering during light cutting of workpiece. Remote control is possible.*) *) Components for remote control are not available from us.

5 OTHER For Higher Holding Capacity Max. 5kN Max. 9kN Max. 9kN HORIZONTAL CYLINDRICAL For Frequent Set-ups Toolless operation WITH CAM HANDLE For Tight Space Assist you also in small space! COMPACT For Frequent Set-ups in Tight Space Hybrid of Toolless & Compact! COMPACT WITH CAM HANDLE Pneumatic Types Lock the piston by air supply COMPACT PNEUMATIC PNEUMATIC

6 AMNS-S COMPACT PNEUMATIC Key Point Provide high support capacity even with small body. Body Piston / Locking Shaft Cylinder A5052 aluminum Anodized L S45C steel Electroless nickel plated A5056 aluminum Anodized H3 H2 H H4 W D M1 H1 Stroke 4 Piston 2-d L1 L2 P 2-M Pneumatic Port M3 0.5 Part Number H H1 M1 H2 D L W d M L1 AMNS06-S M M3 0.5 Depth 6 7 AMNS08-S M M4 0.7 Depth 8 9 Part Number L2 P H3 H4 Operating Air Pressure(MPa) Support Piston Spring Weight Capacity(N) Force(N) (g) 15~40 0.2~ AMNS06-S ~0.7 AMNS08-S ~70 0.3~0.4 49

7 Feature The piston can be locked/unlocked by air operation. This compact work support can be used as a support in surface mounter. How To Use Operating Instructions 1. Load a workpiece on the support. 2. The piston strokes to fit the workpiece by the inner spring. 3. Clamp the workpiece. 4. Apply air to the pneumatic port. 5. The piston is locked. 6. The piston is unlocked when the air is released. Installation Instructions Side or bottom surface mounting is possible. Side Surface Mounting Bottom Surface Mounting Workpiece Workpiece Screw Block Plate Plate Screw Performance Curve 70 Support Capacity(N) AMNS08-S AMNS06-S Note Use a nut to attach a tip on the piston as directed below. The piston rotates 360 freely. Nut Tip Wrench Operating Air Pressure(MPa)

8 BJ370 PNEUMATIC Body Piston Locking Shaft SK95 steel A5052 aluminum S45C steel Quenched & tempered Anodized Electroless nickel plated Black oxide finished L L1 L2 25 W P W2 M1 M For Hex Socket-Head Cap Screws H4 D W1 H1 S Stroke H Piston H2 Pneumatic Port M5 0.8 H3 Part Number H H1 S M1 D L W M H2 P H3 W1 H4 BJ M5 0.8 Depth M BJ M6 1 Depth M Part Number L1 L2 W2 Operating Air Pressure(MPa) Support Piston Spring Weight Capacity(N) Force(N) (g) 300~500 1~ BJ ~1.0 BJ ~700 1~

9 Feature The piston can be locked/unlocked by air operation. How To Use Operating Instructions 1. Load a workpiece on the support. 2. The piston strokes to fit the workpiece by the inner spring. 3. Clamp the workpiece. 4. Apply air to the pneumatic port. 5. The piston is locked. 6. The piston is unlocked when the air pressure is released. Installation Instructions Can be mounted on both top surface and bottom surface of plate with hex-socket head cap screws. Mount on Top Surface of Plate Workpiece Hex-Socket Head Cap Screw Mount on Bottom Surface of Plate (For lower positioning of workpiece) Workpiece Plate Plate Hex-Socket Head Cap Screw Support Capacity(N) Performance Curve 700 BJ BJ Note When installing a tip on the piston, lock the piston using a wrench to prevent it from receiving any torque. Tip (Setscrew, Hex nut) Piston Operating Air Pressure(MPa) Wrench

10 BJ371 PRECISION SUPPORT Body Piston Locking Shaft Knob SK95 steel S45C steel Quenched & tempered Electroless nickel plated Black oxide finished A5052 aluminum Anodized SUS303 stainless steel Across Two Flats for Mounting: 3 Across Two Flats: 7 35 Stroke 3 30 φ8 M R R M3 0.5 Depth 6 M5 Hex. Socket Head Cap Screw Locking Position 45 Part Number Support Capacity(N) Piston Spring Force(N) Weight (g) BJ ~ Unlocking Position 19

11 Feature The piston can be locked/unlocked with one-touch operation and keeps stable support capacity. The displacement of the piston is not exceeding 3μm when it is locked. This helps keep the accuracy of the workpiece height. Can be used by remote control. How To Use Operating Instruction 1. No workpiece loaded. 2. Load a workpiece, and the piston lowers. 3. Lock the piston by turning the knob. Installation Instruction Tighten the M5 hex. socket head cap screw with a hex. wrench (Across Two Flats: 3). Hex. Wrench (Across Two Flats: 3) Application Example for Remote Control Components for remote control are not available from us. 2-M3 Screw Knob M5 Hex. Socket Head Cap Screw Note When installing a tip on the piston, lock the piston using a wrench to prevent it from receiving any torque. Piston Tip (Setscrew, Hex nut) Wrench

12 D1 BJ350 L1 L L2 L3 For M Socket-Head Cap Screws BJ350 (Ball-Thumb-Screw Style) H2 H1 H W M L Hex. socket head setscrew M2 Ball Thumb Screw BCF D M1 S Stroke BJ350 (Ball-Thumb-Screw Style) L1 BJ350-C (Knurled-Knob Style) Knurled Knob (pinned and glued) BJ750-N M2 Ball Screw BSF H2 BJ350-C (Knurled-Knob Style) Body S45C steel Black oxide finish Piston SK95 steel Quenched and tempered Black oxide finish Size H S M1 D L W M L2 L3 H1 H2 BJ350 BJ350-C M 6 1 Depth M M Depth M M Depth M M Depth M

13 BJ350 (Ball-Thumb-Screw Style) Part Number L1 M2 Screw Torque(N m) Support Capacity(kN) Piston Spring Force(N) Weight (g) BJ M L ~ BJ M L ~ BJ M L ~11 BJ M L BJ350-C (Knurled-Knob Style) Part Number L1 D1 M2 Screw Torque(N m) Support Capacity(kN) Piston Spring Force(N) Weight (g) BJ C M ~ BJ C M ~ BJ C M ~11 BJ C M Feature The positive locking mechanism allows the ball-thumb-screw style to offer high support capacities. Note When you attach a support tip to the tapped hole through the shaft, tighten the shaft and fix it to prevent damage. How To Use Support Tip Hex. Nut Ideal for preventing the workpiece from chattering and deflecting.

14 BJ351 CYLINDRICAL BJ351 (Ball-Thumb-Screw Style) BJ351-C (Knurled-Knob Style) Body S45C steel Black oxide finish Piston SK95 steel Quenched and tempered Black oxide finish Across 2 Flats W M2 Ball Thumb Screw BCF Hex. Wrench X 2-Socket-Head Cap Setscrews M1 L1 D D1 X S Stroke M2 Ball Screw BSF X L1 X Air Outlet M Mounting Screw Section X-X H1 BJ351 (Ball-Thumb-Screw Style) H L Knurled Knob (pinned and glued) BJ750-N Section X-X Note: To install, insert a hex. wrench through the piston into the mounting screw. D2 H1 BJ351-C (Knurled-Knob Style) Size H S M1 D1 D M L W H1 BJ351 BJ351-C M 6 1 Depth M M Depth M M Depth M M Depth M M16 2 Depth M

15 BJ351 (Ball-Thumb-Screw Style) Part Number L1 M2 Allowable Screw Torque(N m) Support Capacity(kN) Piston Spring Force (N) Weight (g) BJ M L ~ BJ M L ~ BJ M L ~ BJ ~ M L 9.0 BJ ~ BJ351-C (Knurled-Knob Style) Part Number L1 D2 M2 Allowable Screw Torque (N m) Support Capacity(kN) Piston Spring Force (N) Weight (g) BJ C M ~ BJ C M ~ BJ C M ~ BJ C M ~ How To Use Feature The positive locking mechanism allows the ball-thumb-screw style to offer high support capacities. Note When you attach a support tip to the tapped hole through the shaft, tighten the shaft and fix it to prevent damage. M2 Ball Thumb Screw BCF Support Tip Hex. Nut Ideal for preventing the workpiece from chattering and deflecting. Air Outlet BJ351-C COIL SPRINGS FOR CYLINDRICAL Body SWPA steel How To Use Replacement springs to set the piston spring force lower. Part Number Piston Spring Force (N) Cylindrical Work Supports BJ C1 BJ ~ 7 BJ C1 BJ BJ C1 5~ 9 BJ BJ C1 6~11 BJ BJ C1 7~14 BJ

16 BJ650 REMOTE-CONTROL UNITS L S Stroke L1 L2 M D P W W1(Across 2 flats) Hex. Wrench d BJ650-****1 (Short) H1 H Body S45C steel Black oxide finish Part Number L W H L1 L2 D S H1 d P BJ BJ BJ BJ Part Number W1 M L3:Recommended Distance between Work Supprt and Remote Control Unit Weight (g) Work Supports BJ M L BJ BJ M L BJ BJ M L BJ BJ M L BJ BJ650-****2 (Tall) Part Number L W H L1 L2 D S H1 d P BJ BJ BJ BJ BJ Part Number W1 M L3:Recommended Distance between Work Supprt and Remote Control Unit Weight (g) Work Supports BJ M L BJ BJ M L BJ BJ M L BJ BJ BJ M L BJ BJ

17 How To Use Cylindrical Work Supports BJ351 Coupling Nut BJ744 Work Support BJ350 Remote Control Unit,Short BJ650 Cylindrical Work Supports BJ351 L3*) Remote Control Unit, Tall BJ650 Coupling Nut BJ744 Custom Block L3*) Knurled Knob BJ750-N Knurled Knob BJ750-N Threaded Bar L3*) Remote Control Unit, Tall BJ650 Suitable for controling work supports from a distance. *) See dimension chart in the previous page. Note When used with a BJ650 Remote Control Unit, a BJ350 or BJ351 Work Support can provide the support capacity as given in the catalog if the screw torque is fully applied by using a tool like wrench. If the screw torque is fully applied by hand(using a knob), the support capacity will be reduced to approx. 20% of the catalog value.

18 BJ352 WITH CAM HANDLE Body Piston Locking Pin Handle SK95 steel S45C steel Quenched and tempered Quenched and tempered Black oxide finish Black oxide finish S45C steel Black oxide finish SCM440 steel Quenched and tempered Black oxide finish Air Outlet L2 L1 R Unlocking Position L3 140 M1 90 M For Hex.Socket Head Cap Screws S Stroke D H H1 W P L Recommended Locking Position Note: The drawing shows clockwise locking Locking End H2 A

19 Part Number H S M1 D L W R A H2 M H1 P BJ M Depth M BJ M 6 1 Depth M BJ M Depth M BJ M Depth M Part Number L1 L2 L3 Cam Handles Part Number Allowable Operating Load(N)*) Support Capacity(kN) Piston Spring Force(N) Locking Mechanism Weight (g) BJ QLCA ~ BJ QLCA ~ 6 Spiral Cam 335 BJ QLCA ~ 7 Cam Angle:4 738 BJ QLCA ~ *)Allowable load to operate the handle How To Use Operating Instruction 1. Unlocked 2. Workpiece Loading 3. Locking No workpiece loaded Load a workpiece, Turn the handle to lock the piston. and the piston lowers. Adjusting Handle Locking Position Changing Locking Direction Support Tip Loosen the hex. socket setscrew to remove the retaining pin. Turn the handle upside down and put it in position again. Unlocking Position When the projection amount from the body is ½ of the stroke S, the handle comes to the recommended locking position. Design your application as the support tip contacts the workpiece at this position. Feature The built-in disc spring prevents loosened locking. Piston Disc Spring Before Change (Clockwise Locking) Retaining Pin After Change (Counterclockwise Locking) Spring Note When you attach a support tip to the tapped hole through the shaft, tighten the shaft and fix it to prevent damage. Hex.Socket Setscrew

20 BJ351-A HORIZONTAL Body Piston Adjustable Spindle Knob SK4 steel S45C steel S45C steel Polyamide plastic Quenched and tempered Heat treated on edge Black oxide finish Black Black oxide finish Black oxide finish L2 W P 4-d W P D W1 H H3 H2 L L1 S Stroke M1 Ball Thum Screw BSF L3 H1 D1 R T Adjustable Spindle M Internal structure of the piston part Part Number L L1 S L2 H1 D W H d H2 P W1 T R M BJ A 8~ M 6 1 Depth 12 BJ A 11~ M Depth 16 BJ A 16~ M Depth 24 Part Number M1 H3 D1 L3 Screw Torque(N m) Support Capacity(kN) Piston Spring Force(N) Weight (g) BJ A M L Across 2 Flats ~ BJ A M L Across 2 Flats ~ BJ A M L Across 2 Flats ~

21 How To Use Workpiece Ideal for preventing the thin workpiece from chattering and deflecting. Operating Instruction 1. To set a workpiece with the piston retracted, Workpiece Piston Pull Knob Push Lightly Workpiece 1. Set the piston retracted by pulling the knob. The internal plunger allows retaining the piston at the retracted position. 2. Load the workpiece and then push the knob lightly to let the adjustable spindle contact the workpiece. Tighten the ball thumb screw to lock the piston. 2. To set a workpiece without retracting the piston, Workpiece Contact Bolt (included) Projection 1. Adjust the projection of the adjustable spindle to let the bottom edge of workpiece contact the radius of the adjustable spindle when loading the workpiece. 2. Snap in the workpiece, and then tighten the ball thumb screw to lock the piston. Note When you attach a support tip to the tapped hole through the shaft, tighten the shaft and fix it to prevent damage.

22 BJ362 COMPACT WITH CAM HANDLE Body/Pin Piston Cam Handle SCM440 steel S45C steel Die-cast zinc Black oxide finished Black oxide finished Chrome plated HRC50-55 CW Locking 20 Unlocking Position CCW Locking φ5.5 Locking Throw W L2 L1 (max.150 ) 20 (max.150 ) Locking Throw Locking Position H1 H D H2 5 S Stroke R The handle position varies depending on the height of the piston. A H3 Unlocking Position D1 L

23 Part Number BJ R BJ L BJ R BJ L Locking Direction CW CCW CW CCW H H1 S D L W R A H3 D1 H2 L1 L Part Number Allowable Operating Load (N)*) Support Capacity(N) Piston Spring Force(N) Locking Mechanism Weight (g) BJ R ~3 BJ L Spiral Cam 76 BJ R Cam Angle: ~3 BJ L 140 *)Allowable load to operate the handle. How To Use Operating Instruction 1. Unlocked No workpiece loaded. 2. Workpiece Loading Load a workpiece, and the piston lowers. 3. Locking Turn the handle to lock the piston. Mounting-Hole Dimension Drill a tapped hole and a locating-pin hole as specified below. d1 M5 P Lf Size d1 ( ) Lf P BJ BJ Feature The built-in disc spring prevents loosened locking. Piston Disc Spring Spring

24 BJ360 COMPACT Hex. Socket-Head Setscrew M L H H1 W S Stroke D D1 L1 M1 Socket-Head Ball Screw BSF Knurled Thumb Knob TKN D3 L M Note: The socket-head ball screw is glued to the knurled thumb knob. Body Piston SCM440 steel S45C steel Heat treated Black oxide Black oxide Part Number H H1 S D1 D M L W D3 M1 L1 BJ M M L 13.2 BJ M M L BJ M M6 1-25L 22.3 Part Number How To Use Piston Spring Force (N) Support Capacity(kN) Weight (g) BJ ~ BJ ~3.0 BJ Extension Bolt BJ610~611