Factor 1: Unsafe Conditions of the Crane Itself One of the primary reasons for the falling of loads from crane hooks is the inherent unsafe conditions of the crane itself. These conditions can stem from various sources, including design flaws, manufacturing defects, improper installation, and inadequate maintenance. 1. Design Deficiencies Poorly designed cranes can present […]
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Introduction Conveyors are essential equipment in various industrial sectors, including mining, logistics, and manufacturing. Their proper installation directly affects operational efficiency, safety, and durability. This document outlines the installation methods of conveyors, key considerations, and necessary precautions to ensure smooth operations. 1. Preparation Before Installation Before beginning the installation of a conveyor system, thorough preparation […]
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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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I. 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. 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 […]