Industrial Use High Torque VFD Drive 6 Pole 5 HP 4kw 3 Phase AC Motor

• Customization: Available
• Application: Industrial
• Speed: Constant Speed
• Model NO.: MS132M1-6 5HP
• Number of Stator: Three-Phase
• Function: Driving
• Casing Protection: Protection Type
• Number of Poles: 6
• Starting Mode: y-δ Starting
• Certification: ISO9001, CCC, CE
• Brand: Liyuan
• Housing: Aluminum
• Cover: Aluminum
• Terminal Box: PPO
• Fan: PP
• Fan Cover: A3
• Shaft: C45
• Transport Package: Carton or Plywood
• Trademark: LIYUAN
• Origin: Fuan
• HS Code: 8501520000
• Production Capacity: 50000 Pieces/Year

Product Description

Industrial use high torque VFD drive 6 pole 5 hp 4kw 3 phase AC motor

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Product Description

 

Model	kw	HP	Current	Speed	Eff	Power Factor	Tst/Tn	Ist/In	Tmax/Tn
MS-132M-6	4	5	9.82A	960 rpm	81.4%	0.76	2	6.5	2

Company Profile

 

FAQ

1. Analysis on the Reason of Motor Shaft Fracture
   Whether it is a high-voltage motor or a low-voltage motor, shaft breakage may occur during operation. According to Simma Motor's many years of experience in motor operation and maintenance, in general, motor shaft breakage occurs on the load side, mainly at the front bearing support, where there are obvious knife marks, the joint between the rib and the main shaft, Shoulders and grooves. According to our detailed comparative data, observations, experiments and analysis, the reasons for the fracture of the motor shaft are as follows:
   
   
   1. Material defects
   We select a part of the broken shaft for material analysis and mechanical property test. The material analysis results show that when the selected materials are high-quality carbon structural steel and alloy steel without effective heat treatment, the material properties are poor and the strength is not enough; usually The motor shaft is made of 45 steel, but the physical flaw detection from the 45 steel submitted for inspection shows that there are a large number of defects that are larger than the load. Therefore, improper selection of materials and poor quality of materials are the main reasons that may cause the motor shaft to break. Sima motor shafts are all made of high-quality carbon steel. All use high-quality 45# steel. These two materials belong to medium carbon steel, and their strength, stiffness and toughness can meet the working requirements of the motor shaft. Cross section of broken motor shaft
   
   2. The analysis of improper processing technology and welding process shows that the shaft has formed annular cracks distributed along the circumference. This part is because the low carbon steel electrode is used when the rib plate and the motor shaft are welded, which makes the surface of the shaft form a softened surfacing layer , Under the action of cyclic alternating stress, continuous annular cracks distributed along the circumferential direction are formed in this part, and then the crack area expands, and finally the entire shaft breaks, causing an accident; on the other hand, the non-matching surface of the motor shaft is processed during processing. Often overlooked, there are often tool marks on the shaft surface and the transition fillet of the shaft shoulder, and the surface roughness is too large, which will reduce the state coefficient and reduce the fatigue resistance of the shaft and cause breakage; in the use of spline-connected motors In the shaft, it often occurs that the spline is not processed into a scalloped tooth root according to the requirements of the drawing, which may also be one of the reasons for the shaft fracture. In general, the motor shaft is divided into two categories: the optical axis and the spoke shaft, which depends on the size of the shaft hole of the motor rotor. Whether it is the optical axis or the spoke shaft, the processing process is generally the same. The gears are all processed by turning, and their matching relationship with the iron core is mostly H7/k6. Of course, this is also related to the torque that the motor rotor bears. It can be concluded from calculation and experience that the shaft extension end of the motor is the same as For the part of the customer interface, Sima Motor has relatively high requirements on the motor shaft. All shafts must be finely ground. First, it must be beautiful. In addition, the contact area with the coupling after fine grinding is large and the force is uniform, which can meet the transmission of the motor. For torque purposes, the keyway needs to be milled.
   
   3. Stress concentration, motor overload operation This is the most common cause of motor shaft fracture. The motor shaft often has various grooves (such as overtravel grooves, unloading grooves, etc.), step transitions and shoulders in the design and process. If the groove structure is unreasonable or uneven, the transition fillet is too small, and the shaft diameter changes Under the action of alternating stress, the stress distribution of these parts will be extremely uneven, and microscopic cracks will gradually form and gradually expand in the parts with particularly high stress, and finally lead to sudden brittle fracture.