German DIAWIL tools DIAWIL models DIAWIL prices

DIAWIL tools are tools that use compressed air to drive a pneumatic motor and output kinetic energy. Based on their basic operating principles, they can be classified into: 1) Rotary type (eccentric movable vane type). 2) Reciprocating type (volumetric piston type). General pneumatic tools mainly consist of the power output section, work form conversion section, intake and exhaust path section, operation start and stop control section, and tool housing. Of course, pneumatic tool operation also requires an energy supply section, air filtration and pressure regulation section, and tool accessories. Main types include impact wrenches (also known as pneumatic wrenches, air wrenches, air ratchets), pneumatic screwdrivers (also known as pneumatic drivers, air screwdrivers), pneumatic grinders (also known as pneumatic polishers, pneumatic wet grinders, pneumatic sanders, pneumatic grinding machines), pneumatic spray guns, pneumatic rivet guns, pneumatic nut setters, air chisels, air hammers, vibration-damping pneumatic saws, and vibration-damping pneumatic files.

DIAWIL tool classification

1) Squeeze-exhaust suction cups rely on downward squeezing force to expel all air from the suction cup, creating a negative pressure state inside to hold the workpiece. They have advantages such as simple structure, light weight, and low cost. However, the suction force is not large, and they are mostly used for workpieces with small dimensions that are thin and light. 2) Airflow negative pressure suction cups use an airflow control valve to inject compressed air from an air pump through a nozzle, forming a high-speed jet that removes air from the suction cup cavity, creating negative pressure to hold the object. If compressed air is available at the worksite, using this type of suction cup is convenient and low-cost. 3) Vacuum pump exhaust suction cups use an electromagnetic control valve to connect the vacuum pump to the suction cup. When the control valve evacuates air, the air in the suction cup cavity is removed, creating negative pressure to hold the object. Conversely, when the control valve connects the suction cup to the atmosphere, the suction cup loses suction and releases the workpiece. The suction force of vacuum pump suction cups mainly depends on the size of the suction area and the degree of vacuum in the inner q cavity (referring to the thinness of the air). This type of suction cup is reliable and has strong suction, but it requires a vacuum pump and airflow control system, resulting in higher costs. 4) Mechanical clamping type: The structure of a straight-bar dual-cylinder translational gripper involves fingers mounted on a straight bar with finger mounting seats. When pressurized gas enters the rod-side chambers of the single-acting dual cylinders, the two pistons move toward the center, clamping the workpiece; when no pressurized gas enters, springs push the two pistons outward, releasing the workpiece. To ensure synchronous movement of the two pistons, a flow divider valve is installed in the cylinder intake line. This type of end effector is used in loading and unloading assembly workstations.

DIAWIL tool structural composition

The function of power components is to convert the mechanical energy of the prime mover into hydraulic pressure energy. This refers to the oil pump in the hydraulic system, which provides power to the entire hydraulic system. The structural forms of hydraulic pumps generally include gear pumps, vane pumps, and piston pumps. Actuators (such as hydraulic cylinders and hydraulic motors) convert hydraulic pressure energy into mechanical energy, driving loads to perform linear reciprocating motion or rotary motion. Control components (i.e., various hydraulic valves) control and regulate the pressure, flow, and direction of the fluid in the hydraulic system. Depending on the control function, hydraulic valves can be divided into pressure control valves, flow control valves, and directional control valves. Pressure control valves include relief valves (safety valves), reducing valves, sequence valves, and pressure relays; flow control valves include throttle valves, adjustment valves, and flow divider/combiner valves; directional control valves include check valves, pilot-operated check valves, shuttle valves, and directional control valves. Depending on the control method, hydraulic valves can be divided into on/off control valves, fixed-value control valves, and proportional control valves. Auxiliary components include oil tanks, oil filters, oil pipes and pipe fittings, sealing rings, pressure gauges, and oil level/temperature gauges. Hydraulic oil is the working medium that transmits energy in the hydraulic system, including various mineral oils, emulsions, and synthetic hydraulic oils.

DIAWIL tool usage

1) Adjustment of the plane blade: When installing the plane blade, first align the blade with the cap iron, control the distance between their cutting edges, and then insert it into the plane body. The cutting edge should be close to the plane sole. Add the wedge, press down slightly, hold the left corner of the plane sole with the left hand, and use the thumb to hold the wedge, cap iron, and plane blade. Use a hammer to correct the cutting edge so that it protrudes from the mouth. The amount of protrusion is proportional to the cutting depth: more for rough planing, less for fine planing. To check the protrusion amount, lift the plane with the left hand, sole facing up, and look backward with one eye to detect it. If the protrusion is inappropriate, lightly tap the upper end of the blade. If it protrudes too much and needs to be retracted, lightly tap the rear end of the plane body. If one corner of the cutting edge protrudes, only lightly tap the upper side of the same corner of the blade. 2) Key points for planing: When planing, extend the index fingers of both hands forward to press on the plane body, press the back of the blade with the thumbs, and grip the handle tightly with the remaining fingers and palms. Keep the plane body level and apply uniform force with both hands. When pushing forward, increase the force with both thumbs and apply slight pressure with the index fingers. As you reach the front end, gradually reduce the pressure until no pressure is applied. When retracting, slightly lift the rear end of the plane with your hand to prevent the cutting edge from dragging on the wood surface, which can cause dulling. When planing long materials, place the left foot forward, followed by the right foot. Before planing long materials, check whether the surface to be planed is heartwood or sapwood. Generally, heartwood is cleaner and has clearer grain than sapwood. If it is heartwood, plane in the direction from root to tip; if it is sapwood, plane in the direction from tip to root. Planing along the wood grain saves effort. Otherwise, it is easy to cause "tear-out," resulting in a rough, uneven surface and requiring significant effort. When starting to plane, the plane sole should be tightly against the wood surface. Do not lift the front of the plane at the beginning, and do not let the front dip at the end (commonly known as "nodding"). Otherwise, the middle part of the planed wood surface will bulge unevenly, a common mistake among beginners that must be corrected.

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