The structure of the short-stroke block brake is shown in Figure 1-17. When the electric motor is powered on, the electromagnet coil connected in parallel with the motor winding is also energized. This generates an attractive force in the stationary core (9), which pulls the moving core (8). Consequently, the push rod (7) is pushed […]
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1. Classification by Length Ball mills can be classified based on the ratio of their length to diameter. This classification affects their grinding efficiency, usage, and application in various industries. (1) Short Ball Mill A ball mill is considered short if its length-to-diameter ratio is less than 2. It is commonly referred to simply as […]
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As a type of lifting and transportation machinery, large tower cranes are prone to rust and corrosion due to various unresolved issues. The steel structures of large tower cranes are particularly susceptible to rusting when exposed to air for extended periods without adequate protective measures. This corrosion occurs when the steel structure reacts chemically with […]
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1. Proper Positioning During Lifting Operations During lifting operations, standing directly beneath the boom, the suspended load, or within the lifting path can be extremely dangerous. The triangular area formed by the guide pulley and steel cable, the surrounding area of the fast rope, or the force direction of a diagonally pulled hook are all […]
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Ech. Safety Operation Regulations 1. Operator Qualifications Before operating the plate rolling machine, the operator must undergo proper training to fully understand the machine’s structure, performance, and operating procedures. Only qualified personnel should be allowed to use the equipment to prevent accidents and ensure safety. 2. Pre-Operational Inspection Before starting the machine, the following checks […]
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1. Broken Working Steel Wire Rope When one end of the gondola’s working steel wire rope breaks, the suspended platform will tilt. Once it reaches a certain inclination, the safety lock will automatically engage, securing the platform to the safety wire rope. In such a situation, construction personnel inside the gondola should remain calm. It […]
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1. Initial Maintenance for New Machines After the first 250 hours of operation, perform the following maintenance tasks: Replace the fuel filter and additional fuel filter. Inspect the valve clearance of the engine. 2. Daily Maintenance Perform these checks and maintenance activities on a daily basis: Inspect, clean, or replace the air filter. Clean the […]
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To ensure the safe operation of suspended platforms (commonly referred to as gondolas), it is essential to establish a routine maintenance and inspection system. This system should involve both operators and dedicated personnel to regularly check and maintain the equipment. The goal is to ensure the platform remains in optimal condition and prevents accidents during […]
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The recovery and dismantling of a scraper conveyor require a systematic approach to ensure safety and efficiency. This guide outlines the sequential steps, dismantling techniques, loading procedures, and essential safety precautions to minimize risks during the operation. 1. Sequence of Recovery Operations The recovery of a scraper conveyor follows a structured order to ensure smooth […]
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Group hoist electric hoists are widely used in construction, manufacturing, and maintenance for lifting and transporting heavy loads. While these tools greatly enhance efficiency, improper use can lead to equipment damage, Accidenter, or injuries. This guide outlines the critical safety measures and maintenance practices required for the frequent use of group hoist electric hoists. 1. […]