Germany schulze workpiece clamping fixture schulze model schulze price

schulze workholding fixture is a machine tool accessory product manufactured based on the electromagnetic principle. It generates magnetic force by energizing internal coils, which passes through a magnetically conductive panel to firmly hold workpieces in contact with the panel surface. Demagnetization and workpiece removal are achieved by de-energizing the coils to eliminate the magnetic force. Its primary applications include workpiece clamping during the machining of ferrous workpieces on grinding machines, electromagnetic knife grinders, gantry milling machines, and gantry planers. Lifting threaded holes are provided on both sides of the rectangular electromagnetic chuck; T-head screws can be screwed in for lifting during installation. It is secured to the worktable using T-head blocks and screws. Connect the DC power supply and ground wire from the machine tool, then perform a precision grind on the upper surface of the chuck to ensure parallelism between the upper and bottom surfaces. When holding workpieces, sufficient positioning holding force for grinding operations is obtained as long as adjacent magnetic poles are bridged. Magnetization and demagnetization of the workpiece can be controlled via the machine tool buttons.

schulze workpiece clamping fixture introduction

Vacuum suction cups are one of the actuators in vacuum equipment. The suction cup material is made of nitrile rubber, which has high tensile strength, making it widely used in various vacuum holding devices. It performs tasks such as holding and transporting thin and light items like glass and paper in industries such as construction, paper manufacturing, printing, and glass processing. Vacuum suction cups are also known as vacuum lifters and vacuum nozzles. Generally, using vacuum suction cups to grab products is the most cost-effective method. There is a wide variety of vacuum suction cups: rubber suction cups can operate at high temperatures; silicone rubber suction cups are very suitable for gripping products with rough surfaces; polyurethane suction cups are highly durable. In actual production, if oil resistance is required for the suction cup, materials such as polyurethane, nitrile rubber, or vinyl-containing polymers can be considered. Typically, to avoid scratching the surface of the product, it is best to choose suction cups with bellows made of nitrile rubber or silicone rubber.

schulze workpiece clamping fixture features

Mechanical grippers commonly use compressed air as the power source, achieving finger movement through a transmission mechanism. Based on the different motion trajectories of the fingers when clamping workpieces, mechanical grippers are classified into: 1) Arc opening/closing type: Driven by the transmission mechanism, the motion trajectory of the finger tips is an arc. This type of gripper has strict requirements for the dimensions of the clamped part of the workpiece; otherwise, it may cause abnormal workpiece status. 2) Arc parallel opening/closing type: The two fingers of this gripper perform parallel opening and closing movements during operation, while the motion trajectory of the finger tips is an arc. The illustrated gripper shows two scenarios where a parallelogram transmission mechanism drives the parallel opening and closing of the fingers. 3) Linear parallel opening/closing type: The motion trajectory of the two fingers of this gripper is linear, and the clamping surfaces of the two fingers always remain parallel. A cam mechanism is used to achieve the parallel opening and closing of the two fingers. Diagonal cam slots are machined into the sliding blocks of each finger. When the piston rod moves up and down, rollers mounted on its end move within the cam slots, achieving parallel clamping movement of the fingers. Alternatively, a rack-and-pinion mechanism can be used: when the rack at the end of the piston rod drives the gear to rotate, the racks on the fingers move linearly, causing the two fingers to open and close in parallel to clamp the workpiece.

schulze workpiece clamping fixture selection

When selecting pneumatic grippers and jaw designs, these are the main factors to consider: 1) Part shape, orientation, and dimensional variations: If the object has two opposing flat surfaces, a dual-jaw parallel gripper can be used to address dimensional deviation issues. For cylindrical objects, dual-jaw grippers can also be used for clamping. Note that retaining or encompassing clamping requires less force. 2) Part weight: The clamping force must be sufficient to hold the object securely during the required operations. The type of jaw design must be considered when calculating the required clamping force. Please note that safety factors should be taken into account when selecting the required force, and air pressure is also a factor to consider. 3) Accessibility: This relates both to the operation being performed and the spatial constraints of the gripper jaws. If external operations on the object are required, internal clamping may be necessary. Scissor-type grippers are typically lower in cost but require more space for jaw movement. 4) Environment: Grippers used in harsh environments or cleanrooms require corresponding designs. 5) Object retention: When air pressure is no longer supplied, the gripper will release the object, causing it to drop. For such applications, spring-assisted grippers can be used.

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