German GUHRING tools GUHRING models GUHRING prices

GUHRING tools, also known as hand tools, are distinguished from power tools. They primarily rely on manual force to turn or apply pressure. Hand tools are categorized by use into wrenches, pliers, screwdrivers, tape measures, hammers, sockets, cutting tools, scissors, tool sets, and auxiliary items such as tool carts, with each category having different models. Wrenches include open-end wrenches (fixed wrenches), double box-end wrenches, ratchet wrenches (quick wrenches), combination wrenches, pipe wrenches, T type socket wrenches, cross socket wrenches, and adjustable wrenches; pliers include wire cutters, needle-nose pliers, diagonal cutters, snap-ring pliers, slip-joint pliers, water pump pliers, pipe wrenches, and locking pliers; screwdrivers include slotted, Phillips, Pozidriv, hex, and Torx types; sockets are divided into standard sockets, star sockets (E type sockets), driver sockets (BIT sockets), spark plug sockets, and impact sockets. Common sizes are 1/4", 3/8", and 1/2", where " denotes inches; each size is further divided into 6-point sockets and 12-point sockets; hammers include claw hammers, machinist hammers, ball-peen hammers, rubber mallets, and installation hammers; cutting tools include files, diamond files, tin snips, aviation snips, utility knives, square tube saws, pipe cutters, and bolt cutters. Materials include chrome vanadium steel, carbon steel, and alloy steel.

GUHRING tool types

1) Frame saw. Also known as a buck saw, it consists of an H-shaped wooden frame, twisted rope, twist sticks, and a 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 wood. Medium saw blades are 550—650mm long, with a tooth pitch of 3—4mm; they are mainly used for sawing thin wood 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) Back saw. A back saw mainly consists of a saw edge and a handle, and can be single-sided, double-sided, or backed. Single-sided back saws have a blade length of 350mm, with teeth on one side; depending on the function of the teeth, they are divided into rip cuts and cross cuts. Double-sided back saws have a blade length of 300mm, with teeth on both sides; typically, one side is for rip cuts and the other for cross cuts. Backed back saws have a blade plate length of 250—300mm; the back is reinforced with a steel strip, and the teeth are finer, available for rip and cross cuts. 3) Groove saw. A groove saw consists of a handle and a saw blade, with the blade being 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, with the blade being approximately 250—750mm long and 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, it has a similar structure to a frame saw, but the blade is narrower (approximately 10mm), 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, with wire stretched between the ends. The wire has serrated edges for cutting. The wire is approximately 200—600mm long, and the bow is 800—900mm long. Wire saws are mainly used for cutting complex curves and openings.

GUHRING tool structure and 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 a hydraulic system, which provides power to the entire system. Hydraulic pumps generally come in gear pump, vane pump, and piston pump configurations. Actuators (such as hydraulic cylinders and hydraulic motors) convert hydraulic pressure energy into mechanical energy, driving 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 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 valves. Based on control methods, hydraulic valves are divided 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 oils.

GUHRING tool usage

1) Before use, carefully inspect the tool to ensure there is no external damage, the switch operates smoothly without sticking, and the power cord and housing are intact. Use a 500V megohmmeter to measure the insulation resistance between the winding and the housing, which must not be less than O.5 megohms; see the attached table for insulation resistance values. 2) Handheld power tools with metal housings must have a reliable protective ground wire. The power cord should be a multi-core soft rubber-sheathed cable, with the ground protection wire securely connected at both ends. 3) Handheld power tools should be operated by dedicated personnel with appropriate professional knowledge. Strictly adhere to relevant safety operating procedures during use. 4) Before use, check that all related electrical and mechanical protective devices are intact and functioning normally. Also ensure that rotating parts move freely without sticking. 5) When using Class I handheld power tools, operators must wear prescribed protective equipment and use qualified protective gear. Take appropriate anti-electric shock safety measures as required, such as installing residual current devices (RCDs) in the power circuit, or wearing insulating gloves, insulating shoes, or standing on an insulating mat. When using Class II handheld power tools in damp or confined spaces, install a leakage switch with a working current of less than 1.5mA and an action time of less than or equal to 0.1 seconds. The leakage switch should be placed inside the container and supervised by dedicated personnel. 6) Occupational hazards of using handheld power tools. Arm vibration disease caused by long-term exposure to hand-transmitted vibration was listed as one of China's statutory occupational diseases in 1957, also known as local vibration disease, typically manifested as episodic white finger.

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