Article List
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What are the common faults of the spline shaft of ZLY280-16-1 hard tooth surface gear reducer?For the spline shaft of the ZLY280-16-1 hard tooth surface gear reducer, its common faults are mainly concentrated in wear, fracture and deformation. 1. Spline tooth surface wear This is one of the most common failure modes of spline shafts. The main manifestation of wear is: the sides of the spline teeth are worn thin, causing the gap between the spline shaft and the matching gear or sleeve to become larger. Causes of wear: 1. Poor lubrication: insufficient lubricating oil, substandard oil or impurities in the oil, resulting in dry friction or abrasive wear between the tooth surfaces. 2. Load problem: The equipment has been subjected to large vibration and impact loads for a long time, which aggravates the friction between the tooth surfaces. 3. Assembly problem: The backlash of the spline fit is too large, which will cause impact when transmitting torque and accelerate wear. 2. Spline fracture Fracture is a serious failure and is usually divided into two types: overload fracture and fatigue fracture. 1. Overload fracture: The main manifestation of overload fracture is: it usually occurs when the equipment is suddenly stuck or seriously overloaded.
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Is the noise level a criterion for selecting the number of reducer stages?Noise is only one of the reference factors and is by no means the only criterion for selecting the reducer series. 1. Why can’t you just look at the noise when selecting a reducer? The number of stages (single-stage, two-stage, three-stage, multi-stage) determines the reduction ratio range, output torque, volume and shape, transmission efficiency, load-bearing capacity, installation space, and cost. Noise is just an incidental feature. 2. The core key factors in selecting the number of reducer stages 1. The required total reduction ratio is small in the single-stage reduction ratio range, and only two or three stages can achieve a large speed ratio; if the speed ratio cannot be reached, it cannot be used no matter how quiet it is. 2. The more output torque and load-carrying levels, the more transmission levels, which can amplify greater torque. Heavy-load conditions must match the corresponding levels. 3. The more transmission efficiency and energy consumption stages, the greater the meshing loss and the lower the efficiency. For working conditions with high energy saving requirements, give priority to fewer stages. 4. The installation space and Dimensions multi-stage reducer are larger and longer; the space is limited and only a small number of stages or a special structure can be selected. 5. Working speed
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Selection How to choose the appropriate hypoid gear reducer according to the working condition systemSelecting a suitable hypoid gear reducer for a working system requires following a systematic Selection process. The core lies in accurately matching the actual working condition requirements with the technical parameters of the reducer. You can follow the following four key steps: Step 1: Clarify the working conditions and core requirements. This is the basis of Selection and requires a comprehensive understanding of the actual conditions under which the equipment operates. 1. Judgment of load characteristic type: Determine whether it is a constant load (such as a conveyor belt) or an impact load (such as a mixer, crane). Torque calculation: Calculate the actual required torque when the equipment is working. The basic formula is T = 9550 × P / n, where P is the motor power (kW) and n is the output speed (r/min). Safety factor: To ensure reliability, a margin must be left in the rated torque of the reducer. It is recommended to multiply the safety factor by 1.2 for steady loads and 1.5 or higher for shock loads. 2. Determine the speed and transmission ratio
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Introduce the detection method of machining accuracy of hard tooth surface gear reducerThe machining accuracy testing of hardened gear reducers is a systematic project that runs through the entire manufacturing process from raw materials to finished product assembly. The testing methods can be mainly divided into two categories: process testing and finished product testing to ensure that all indicators of the gear after processing, heat treatment and assembly can meet the design requirements. 1. Process inspection Process inspection is carried out during the gear processing and heat treatment stages. The purpose is to detect and correct deviations in time to ensure final accuracy. 1. Geometric accuracy detection: This is the measurement of the individual tooth shape and overall geometric parameters of the gear. Geometric accuracy testing items: Mainly include tooth shape error, tooth direction (spiral) error, tooth pitch cumulative error, radial runout, etc. Geometric accuracy testing equipment: High-precision gear measurement centers are usually used. This type of equipment can automatically scan the tooth surface, accurately measure various deviations, and compare it with international standards (such as ISO, DIN, GB). Accuracy requirements: For high-precision reducer gears
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What are the installation forms of ZL60-31.5-15KW reducer?According to the model ZL60-31.5-15KW, this is a cylindrical gear reducer. This type of reducer usually has a variety of installation forms, which can be divided into three dimensions: installation direction, connection method and shaft system layout. 1. Classification by installation direction 1. Horizontal installation Features of horizontal installation: This is the most common installation method. The output shaft of the reducer is parallel to the ground. Applicable scenarios for horizontal installation: Widely used in most horizontal transmission equipment such as conveyor belts, mixers, and packaging machines. Advantages: Compact structure, simple installation, easy access to key components during maintenance. 2. Vertical installation Features of vertical installation: The output shaft of the reducer is perpendicular to the ground. Applicable scenarios for vertical installation: Suitable for vertical transmission with limited space, such as elevators, top drives of mixing tanks, etc. Note: Vertical installation requires higher sealing performance of lubricating oil, and special attention needs to be paid to prevent oil leakage. 2. Divide by connection method 1. Foot installation footing
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What is the difference between BWEY110 and BWEY120 cycloidal pinwheel reducers?BWEY110 and BWEY120 are both horizontal two-stage cycloidal pinwheel reducers of the BWEY series. The main difference between them is the different frame numbers, which directly leads to differences in size, load-bearing capacity and applicable power. Simply put, BWEY120 is a larger model than BWEY110. 1. Comparison of the main differences: 2. Model interpretation By interpreting the models, you can understand their differences more clearly: B: represents the B series cycloidal pinwheel reducer. W: stands for horizontal installation. E: Represents two-stage transmission (i.e. two-stage reduction). Y: It means equipped with Y series motor. 110 / 120: This number is the base number, which is the core parameter to distinguish the two. The larger the frame number, the larger the center distance of the reducer, and the greater the torque it can withstand. 3. Common points Although the size and load-bearing capacity are different, they are the same system
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How to judge whether the ZQA750-40.17-3CA gear reducer is overloadedTo determine whether the ZQA750-40.17-3CA gear reducer is overloaded, we cannot rely solely on a single phenomenon, but need to conduct a comprehensive evaluation based on multiple warning signals during operation. Overload operation can cause serious and irreversible damage to the reducer, so timely identification is crucial. The following are several key aspects to determine whether the reducer is overloaded: 1. Abnormal rise in temperature. This is one of the most intuitive and important basis for judgment. Normal temperature rise range: Under rated load, the temperature rise of the reducer oil pool (oil temperature minus ambient temperature) should not exceed 35°C, and the bearing temperature rise should not exceed 45°C. Generally, the maximum oil temperature should not exceed 85-90°C. Simple judgment method: Hold your palm against the reducer housing for 5-8 seconds. If you feel unbearably hot and retract your hand immediately, it usually means that the surface temperature has exceeded 70°C and it may have entered an abnormal overheating state. Accurate measurement: Use an infrared thermometer to measure the temperature of the bearing seat or box surface. This is
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How to select the model and assembly form of the F series parallel-axis helical gear reducer according to the equipment installation spaceThe key to selecting the appropriate model and assembly form for the F series parallel shaft helical gear reducer is to match the limited installation space with the structural characteristics of the reducer. F-Series reducers are known for their slim and compact design, making them ideal for applications where space is limited. You can follow the following two-step method Selection: Step 1: Determine the base model (specification) The base model (such as F37, F47, F57, etc.) determines the physical size and load-bearing capacity of the reducer. The main basis for selection is the output torque and installation space required by the equipment. Calculate the required torque: First determine how much output torque your equipment requires (unit: N·m). F series reducers cover a wide range of torque, ranging from 130 N·m to 18,000 N·m. Matching the base size: On the premise of meeting the torque requirements, combined with your actual installation space, select the most appropriate size of the base size. Generally, the larger the base number