German HAHN+KOLB tools HAHN+KOLB model HAHN+KOLB price

HAHN+KOLB tools is a general term for various metal devices manufactured through physical processing such as forging, rolling, and cutting of metals like iron, steel, and aluminum. Hardware tools can be classified by product application into: tool hardware, construction hardware, daily-use hardware, locks and abrasives, kitchen and bathroom hardware, home hardware, and hardware components. This includes various manual, electric, pneumatic, and cutting tools; automotive maintenance tools; agricultural tools; lifting tools; measuring tools; tool machinery; cutting tools; jigs and fixtures; cutters; molds; cutting edges; grinding wheels; drill bits; polishing machines; tool accessories; measuring and cutting tools; painting tools; abrasives and grinding materials; manual socket wrench sockets; striking open-end wrenches; and striking box-end wrenches.

HAHN+KOLB tool types

1) Frame saw. Also known as a buck saw, it consists of an H-shaped wooden frame, twisted rope with toggle, and saw blade. The ends of the saw blade are fixed to the frame with knobs, which can also adjust the blade angle. After tightening the twisted rope, the blade is tensioned and ready for use. Frame saws are classified into coarse, medium, and fine types based on blade length and tooth pitch. Coarse saw blades are 650—750mm long, with a tooth pitch of 4—5mm; they are mainly used for sawing thicker lumber. Medium saw blades are 550—650mm long, with a tooth pitch of 3—4mm; they are mainly used for sawing thin lumber or cutting tenons. Fine saw blades are 450—500mm long, with a tooth pitch of 2—3mm; they are mainly used for sawing finer wood and cutting tenon shoulders. 2) Knife saw. A knife saw mainly consists of a saw edge and a handle, and can be classified into single-sided, double-sided, and backed knife saws. Single-sided knife saws have a blade length of 350mm, with teeth on one side; depending on the function of the teeth, they can be divided into rip-cut and cross-cut types. Double-sided knife saws have a blade length of 300mm, with teeth on both sides; typically, one side is for rip-cutting and the other for cross-cutting. Backed knife saws have a blade plate length of 250—300mm; the back is reinforced with a steel strip, and the teeth are finer, available in rip-cut and cross-cut versions. 3) Groove saw. A groove saw consists of a handle and a saw blade, with the blade approximately 200mm long. It is 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. The blade is approximately 250—750mm long, with a tooth pitch of 3—4mm. Panel saws are mainly used for sawing wider boards. 5) Keyhole saw. The blade is narrow and long, with a pointed tip, and a length of approximately 300—400mm. Keyhole saws are mainly used for sawing narrow holes and slots. 6) Coping saw. Also known as a fret saw, its structure is similar to that of a frame saw, but the blade is narrower (approximately 10mm). It is mainly used for sawing arcs and curves. 7) Wire saw. Also known as a bow saw, it is made by bending a bamboo strip into a bow shape and stretching a wire between the ends. Serrations are cut into the wire to create sharp edges for sawing. The 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.

HAHN+KOLB tool structural composition

The function of power components is to convert the mechanical energy of the prime mover into fluid pressure energy. This refers to the oil pump in a hydraulic system, which provides power to the entire system. Common structural forms of hydraulic pumps include gear pumps, vane pumps, and piston pumps. Actuators (such as hydraulic cylinders and hydraulic motors) convert fluid pressure energy into mechanical energy to drive loads in linear reciprocating 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. Based on control functions, hydraulic valves are classified 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. Based on control methods, hydraulic valves are classified into on/off control valves, fixed-value control valves, and proportional control valves. Auxiliary components include oil tanks, oil filters, oil pipes and fittings, sealing rings, pressure gauges, and oil level/temperature gauges. Hydraulic oil is the working medium for energy transmission in hydraulic systems, including mineral oils, emulsions, and synthetic hydraulic fluids.

HAHN+KOLB tool features

1) Lifting tools are typically compact in size and simple in mechanism, capable of performing 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 are dozens of meters long and have irregular shapes, including bulk materials, molten states, and flammable, explosive, or hazardous items, making the lifting process complex and dangerous. 3) Some lifting tools need to operate over a large spatial range; some require the installation of rails 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); some need to travel along steel wire ropes (such as passenger and freight aerial ropeways). The large operating space means that any accident can have a wide-ranging impact. 4) Some lifting tools need to directly transport personnel for vertical movement along guide rails, platforms, or steel wire ropes (such as elevators and lifting platforms), so 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 wire ropes), posing many potential accidental hazards. 6) The working environment is complex. Lifting tools are in operation everywhere 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 tool operations often require coordination among multiple people. A single operation requires skilled coordination, synchronized actions, and mutual awareness among personnel responsible for command, rigging, and operation. Personnel must have the ability to handle on-site emergencies. Close cooperation among multiple workers is often challenging. These operational characteristics of lifting tools determine their significant relationship with safe production. Any negligence in the design, manufacturing, installation, use, or maintenance of lifting tools may result in casualties or equipment accidents, causing both personal injuries and substantial economic losses.

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