German TAJIMA tools TAJIMA models TAJIMA prices

TAJIMA tools are tools that work by using compressed air to drive a pneumatic motor and output kinetic energy. According to their basic operating methods, they can be divided into: 1) Rotary type (eccentric movable vane type). 2) Reciprocating type (volume piston type). General pneumatic tools mainly consist of the power output part, operation form conversion part, intake and exhaust path part, operation start and stop control part, tool housing and other main parts. Of course, pneumatic tool operation must also have an energy supply part, air filtration and air pressure regulation part, as well as tool accessories. Main types include impact wrenches (also called pneumatic wrenches, air wrenches, air ratchets), pneumatic screwdrivers (also called pneumatic drivers, air screwdrivers), pneumatic grinders (also called 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.

TAJIMA tool types

1) Frame saw. Also known as a buck saw, it is composed of an I-shaped wooden frame, twisted rope and twist pieces, saw blade, etc. The two ends of the saw blade are fixed to the frame with knobs, which can be used to adjust the angle of the saw blade. After the twisted rope is tightened, the saw blade is taut and ready for use. Frame saws can be divided into coarse, medium, and fine types according to the length of the saw blade and tooth pitch. Coarse saw blades are 650—750mm long, with a tooth pitch of 4—5mm. Coarse saws are mainly used for sawing thicker wood; medium saw blades are 550—650mm long, with a tooth pitch of 3—4mm. Medium saws are mainly used for sawing thin wood or cutting tenons; fine saw blades are 450—500mm long, with a tooth pitch of 2—3mm. Fine saws are mainly used for sawing finer wood and cutting tenon shoulders. 2) Knife saw. The knife saw mainly consists of two parts: the saw edge and the saw handle. It can be divided into single-sided, double-sided, back-backed knife saws, etc. Single-sided knife saws are 350mm long, with teeth on one side. Depending on the function of the teeth, they can be divided into rip cuts and cross cuts; double-sided knife saws are 300mm long, with teeth on both sides. The teeth on both sides are generally rip saws on one side and cross-cut saws on the other. Back-backed knife saw plates are 250—300mm long. The back of the back-backed knife saw is straightened with steel strips, and the teeth are finer, divided into rip and cross-cut saws. 3) Groove saw. The groove saw consists of a handle and a saw blade, with the saw blade being approximately 200mm long. Groove saws are mainly used for cutting grooves in wood. 4) Panel saw. Also known as a hand saw. It consists of a handle and a saw blade, with the saw blade being approximately 250—750mm long and a tooth pitch of 3—4mm. Panel saws are mainly used for sawing wider wooden boards. 5) Narrow hand saw. The saw blade is narrow and long, with a pointed front end, approximately 300—400mm in length. Narrow hand saws are mainly used for sawing narrow holes and slots. 6) Coping saw. Also known as a fret saw, its construction is the same as that of a frame saw, but the saw blade is narrower (about 10mm), mainly used for sawing arcs, curves, and other parts. 7) Wire saw. Also known as a bow saw, it is made by bending a bamboo strip into a bow shape and stretching steel wire at both ends. Saw-toothed flying edges are cut into the steel wire, using the sharp edges of the flying edges for sawing. The steel wire is approximately 200—600mm long, and the saw bow is 800—900mm long. Wire saws are mainly used for sawing complex curves and cutting holes.

TAJIMA tool structure composition

The function of power components is to convert the mechanical energy of the prime mover into the pressure energy of the liquid. 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. The function of execution components (such as hydraulic cylinders and hydraulic motors) is to convert the pressure energy of the liquid into mechanical energy, driving the load 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 liquid in the hydraulic system. According to different control functions, hydraulic valves can be divided into pressure control valves, flow control valves, and direction control valves. Pressure control valves are further divided into relief valves (safety valves), reducing valves, sequence valves, pressure relays, etc.; flow control valves include throttle valves, adjustment valves, flow divider-combiner valves, etc.; direction control valves include check valves, pilot-operated check valves, shuttle valves, directional valves, etc. According to different control methods, 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 joints, sealing rings, pressure gauges, oil level and oil temperature gauges, etc. Hydraulic oil is the working medium for transmitting energy in hydraulic systems, including various mineral oils, emulsions, and synthetic hydraulic oils.

TAJIMA tool features

1) Lifting tools are generally compact in size and simple in mechanism, capable of performing both vertical lifting and horizontal movements. 2) The loads handled by lifting tools vary widely, with changing load conditions. Some heavy objects weigh hundreds or even thousands of tons, while others may be tens of meters long and have irregular shapes. These include bulk materials, molten substances, and hazardous items that are flammable or explosive, making the lifting process complex and dangerous. 3) Certain lifting tools need to operate over large spatial ranges; some require tracks and wheels (such as tower cranes and bridge cranes); others are equipped with tires or crawler tracks for ground movement (such as truck-mounted cranes and crawler cranes); and some move along steel cables (such as passenger and freight aerial ropeways). Their extensive operating space means that any accident can have a wide-ranging impact. 4) Some lifting tools directly transport personnel, performing vertical movements on guide rails, platforms, or steel cables (such as elevators and lifting platforms), where their reliability directly affects personal safety. 5) Lifting tools have many exposed and moving parts that often come into direct contact with lifting personnel (such as hooks and steel cables), presenting numerous potential accidental hazards. 6) The working environment is complex. Lifting tools are used in settings ranging from large integrated steel enterprises to modern ports, construction sites, railway hubs, and tourist attractions. Workplaces often encounter hazardous factors such as high temperatures, high pressure, flammable and explosive materials, power transmission lines, and strong magnetic fields, posing threats to both equipment and personnel. 7) Lifting operations often require coordination among multiple personnel. A single operation demands skilled cooperation, coordinated actions, and mutual awareness among command, rigging, and operating staff. Personnel must be capable of handling on-site emergencies. Close coordination among multiple workers is often challenging. These operational characteristics of lifting tools determine their significant relationship to safe production. Any negligence in the design, manufacturing, installation, use, or maintenance of lifting tools can lead to casualties or equipment accidents, resulting in both personal injuries and substantial economic losses.

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