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Summary of Contents for SMC Networks JMDB 32 Series
- Page 1 No. MB**-OM0278Q Product Name Air Cylinder Model / Series / Product Number JMDB*32&100-*...
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Page 2: Table Of Contents
Contents Safety Instructions 1 Specifications 1-1. Specifications Installation and Handling 2-1. Air supply 2-2. Design 2-3. Mounting and Installation 2-4. Environment 2-5. Speed control 2-6. Allowable kinetic energy 2-7. Directional control 2-8-1. Mounting bracket 2-8-2. Auto switches 3 Maintenance 3-1. Checks 3-2. -
Page 3: Safety Instructions
Safety Instruction These safety instructions are intended to prevent hazardous situations and/or equipment damage. These instructions indicate the level of potential hazard with the labels of “Caution,” “Warning” or “Danger.” They are all important notes for safety and must be followed in addition to International Standards (ISO/IEC)*1),and other safety regulations. ※1) ISO 4414: Pneumatic fluid power - General rules and safety requirements for systems and their components ISO 4413: Hydraulic fluid power -- General rules and safety requirements for system and their components IEC 60204-1: Safety of machinery -- Electrical equipment of machines (Part 1: General requirements) - Page 4 Safety Instruction Caution We develop, design, and manufacture our products to be used for automatic control equipment, and provide them for peaceful use in manufacturing industries. Use in non-manufacturing industries is not covered. Products we manufacture and sell cannot be used for the purpose of transactions or certification specified in the Measurement Act. The new Measurement Act prohibits use of any unit other than SI units in Japan.
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Page 5: Specifications P4
1. Specifications 1-1. Specifications Fluid Proof pressure 1.0MPa Max. operating pressure 0.7MPa *1 Min. operating pressure 0.05MPa Ambient and fluid 5 to 60°C temperature Lubrication Not required (non-lube) +2.0 Stroke length tolerance Cushion Non-adjustable air cushion + rubber bumper Piston speed 50 to 500 mm/s*1 Action Double acting, Single rod... -
Page 6: Design
Install an air filter. Install an air filter upstream near the valve. Select an air filter with a filtration size of 5 μm or smaller. Take measures to ensure air quality, such as by installing an aftercooler, air dryer, or water separator. -
Page 7: Mounting And Installation
Consider the possibility of power source related malfunction that could occur. For the equipment that rely on power sources such as compressed air, electricity, or hydraulic pressure, adopt a countermeasure to prevent the equipment from causing a hazard to humans or damage to the equipment in the event of malfunction. - Page 8 Fig. 1 Allowable lateral load applied to rod end Caution ！ Be certain to align the rod axis with the load and direction of movement when connecting. When not properly aligned, the rod and tube may be twisted, and damage may be caused due to wear on areas such as the inner tube surface, bushings, rod surface and seals.
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Page 9: Environment
Do not apply excessive lateral load to the piston rod. Calculation for excessive lateral load: Minimum operating pressure value after the device is mounted (MPa) = Cylinder's minimum operating pressure(MPa) + {Load weight(kg) × Guide friction coefficient / Cylinder's cross section (mm If the product is found to operate smoothly with the calculated pressure, it has been determined that the alignment of the guides have not created additional loading on the cylinder. -
Page 10: Speed Control
2-5. Speed control 1) When the cylinder speed is adjusted, install SMC AS Series Speed controllers around the air supply to adjust to the specified speed. 2) When speed controllers are used for adjusting speed, there are two cases, one is regulating the supply air to the cylinder (meter-in control), and another is regulating the exhaust air from the cylinder (meter-out control). -
Page 11: Directional Control
2-7. Directional control To switch the operating direction of the cylinder, mount an applicable solenoid valve selected from SMC's range of solenoid valves. Warning ！ Design a circuit to prevent sudden action of a driven object. When the product is actuated by an exhaust center type directional control valve or when one side of the piston is pressurized with air exhaust, such as when the product is started after the exhaust of the residual pressure from the circuit, driven objects may act suddenly at high speed. -
Page 12: Auto Switches
2-8-2. Auto switches When an auto switch is mounted or its set position is changed, refer to Fig. 5. Caution Use a specific mounting bracket (Page 12, Table 2) . Tighten mounting screws to the appropriate torque. The mounting of the switch is limited depending on stroke. ... - Page 13 Table 2. Auto Switch Mounting Brackets/Part Nos. Fig 6. How to Mount and Move the Auto Switch ［mm］ Table 3. Operating Range Fig 7. Auto Switch Proper Mounting Position (Detection at stroke end) and Mounting Height -12-...
- Page 14 Table 4. Auto Switch Proper Mounting Position (Detection at stroke end) and Mounting Height * Adjust the auto switch after confirming the operating conditions in the actual setting. Table 5. Min. Stroke for Auto Switch Mounting n: Number of auto switches [mm] *1 When “n”...
- Page 15 Auto Switch Connections and Examples Connect according to the applicable PLC input specifications, as the connection method will vary depending on the PLC input specifications. -14-...
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Page 16: Maintenance
3. Maintenance 3-1. Checks The following checks are required for proper cylinder operation. 1) Smooth operation 2) Changes in piston speed and cycle time 3) Abnormal stroke 4) Looseness of mounting bolt and rod end nuts 5) Looseness of mounting frame and excessive deflection 6) Internal and external leakage (Change in output) 7) Damage to the piston rod sliding surface 8) Clogging and discharge drainage of the air filter... -
Page 17: Basic Circuit For Cylinder Operation
4. Basic Circuit for Cylinder Operation The basic circuit for operating the product with air filter, regulator, solenoid valve and speed controller (meter-out) is shown in the following figure. Air Cylinder Speed controller Solenoid valve Regulator Air source Air filter Fig. -
Page 18: Construction
5. Construction Basic JMDBB Both ends tapped JMDBA Table 6 Parts list Description Rod cover Head cover Cylinder tube Piston rod Piston Bumper A Bumper B Cushion ring A Cushion ring B Bushing Tie rod Tie rod nut Cushion seal holder A Cushion seal holder B Wear ring Rod seal... - Page 19 Revision history 1. Head office address deleted 2.Safety instructions are changed. Tel: + 81 3 5207 8249 Fax: +81 3 5298 5362 https://www.smcworld.com Note: Specifications are subject to change without prior notice and any obligation on the part of the manufacturer ©...
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