German E & R tools, E & R models, E & R prices

E & R tools are material handling equipment for lifting or jacking heavy loads, operating intermittently to raise weights. Most lifting tools begin a vertical or combined vertical and horizontal work stroke after the rigging picks up the load, unload at the destination, return empty to the pickup point to complete one work cycle, and then proceed with the second lift. Generally, during operation, lifting tools perform picking, moving, and unloading sequentially, with the corresponding mechanisms working intermittently. Lifting tools are mainly used to handle piece goods; when equipped with grabs, they can handle bulk materials such as coal, ore, and grain; when equipped with ladles, they can lift liquid materials such as molten steel. Some lifting tools, such as elevators, can also be used to carry people. In certain application scenarios, lifting equipment serves as the primary operational tool; for example, cranes used for loading and unloading materials at ports and stations are the main operational tools.

E & R tool applications

Petroleum refining and petrochemical industries, coal mines, oil fields, natural gas chemical industry, explosives industry, synthetic fiber industry, paint industry, fertilizer industry, various pharmaceutical industries. Oil tankers and liquefied petroleum gas vehicles, aircraft, warehouses handling flammable and explosive goods, electrolysis workshops, communication equipment assembly workshops, locations requiring tools that are rust-proof, wear-resistant, and non-magnetic, etc. Striking box wrenches, striking hex wrenches, bent-handle striking box wrenches, bent-handle striking hex wrenches, straight-handle convex striking box wrenches, bent-handle convex striking box wrenches. Striking open-end wrenches, single-head open-end wrenches, pry-bar open-end wrenches, straight-handle box wrenches, bent-handle box wrenches, pry-bar box wrenches, double-head open-end wrenches, double-head box wrenches, combination wrenches, universal wrenches, adjustable hook wrenches, hook wrenches, adjustable wrenches, C type wrenches, single-head drum key wrenches, double-head drum key wrenches, universal drum key wrenches, F type wrenches, square-head F type wrenches, anti-slip F type wrenches, reinforced claw-type valve wrenches. American pipe wrenches, British pipe wrenches, light-duty chain wrenches, belt wrenches, bolt cutters, nut crackers, pump pliers, slip-joint pliers, locking pliers, diagonal cutting pliers, flat-nose pliers, needle-nose pliers, angled cutting pliers, snap-ring pliers (internal and external). Sledgehammers, German-style sledgehammers, rust-removal hammers, ball-peen hammers, mechanical hammers, claw hammers, inspection hammers, flat-tail inspection hammers, nail-pulling hammers. Safety axes, axes, pickaxes, anvils, plumb bobs, slotted screwdrivers, Phillips screwdrivers, striking screwdrivers, clamp-handle screwdrivers, T type screwdrivers, double-head screwdrivers, awls, hand needles, listening probes, hacksaw frames, saw blades, coping saws, crowbars, tool sets.

E & R tool classification

Explosion-proof tools are internationally referred to as "safety tools" and "non-sparking tools," while in China they are collectively called "explosion-proof tools." Explosion-proof tools produced, sold, and circulated in China can be divided into two main categories based on material: 1. Aluminum-copper alloy (commonly known as aluminum bronze) explosion-proof tools, with the specific material being a copper-based alloy composed of high-purity electrolytic copper as the base, with appropriate amounts of aluminum, nickel, manganese, iron, and other metals added. 2. Beryllium-copper alloy (commonly known as beryllium bronze) explosion-proof tools, with the specific material being a copper-based alloy composed of high-purity electrolytic copper as the base, with appropriate amounts of beryllium, nickel, and other metals added. Both materials exhibit excellent thermal and electrical conductivity. After heat treatment, the hardness and wear resistance of aluminum bronze are nearly comparable to those of beryllium bronze, both reaching above HRC30o. Beryllium bronze is non-magnetic and can be used in strong magnetic field environments. Explosion-proof tools can also be divided into two main categories based on manufacturing process: 1. Casting process: This is a traditional manufacturing process and was the internationally common technology for manufacturing explosion-proof tools in the 80s. Most domestic explosion-proof tool manufacturers have continued to use this process to date. Advantages of the casting process: simple process and low manufacturing cost. Disadvantages: lower product density, hardness, tensile strength, and torque; more pores and sand holes, resulting in shorter product service life. 2. Forging process: The latest international manufacturing process, which uses large presses or punch presses together with high heat-resistant forming molds to forge and form the product in a single step. Advantages of the forging process: significantly improves product density, hardness, tensile strength, and torque; basically eliminates pores and sand holes, extending the mechanical performance and service life of the product by approximately 1 times compared to the traditional casting process. Disadvantages: higher investment in equipment and molds, resulting in higher costs.

E & R tool types and features

Hydraulic tools include: hydraulic wrenches, electric pumps for hydraulic wrenches, hydraulic jacks, hydraulic bolt tensioners, hydraulic flange spreaders, hydraulic nut splitters, hydraulic pullers, etc. Hydraulic tools offer the advantages of high efficiency and convenience. 1) Generally use mineral oil as the working medium; relative moving surfaces can self-lubricate, resulting in long service life. 2) Light weight, compact size, low motion inertia, and fast response speed. 3) Various hydraulic transmission components can be arranged conveniently and flexibly as needed. 4) Can automatically achieve overload protection. 5) Convenient operation and control, capable of achieving wide-range stepless speed regulation (speed regulation range up to 2000: 1). 6) Linear motion is easily achieved. 7) Machine automation is easily achieved; when using electro-hydraulic combined control, not only can a higher degree of automatic control be realized, but remote control is also possible.

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