Startless motor rotation failure analysis

Startless motor rotation failure analysis

When the starter motor rotates without force (that is, it can rotate when decompressed, and stops immediately after it is compressed or rotates without force), it is not only related to the technical state of the motor itself, but also related to how much battery power is stored and the contact condition of the connecting line. Two types of fault location determination are now introduced. method. Before the lighting method is started, turn on the two headlamps, start the motor rotation, observe the light changes. If the light goes out immediately or the filament turns dark red, the battery is not fully charged. If the brightness of the light does not change much, it means that the starter motor has a fault; if the light is dimmed, smoke will occur at the starter motor, which means that the battery has insufficient power and the starter motor has a fault. Observe and listen to the sound method (1) When the engine is depressurized, the motor rotates smoothly and the sound is normal. After the compression, the motor will not turn or rotate quickly. This is caused by insufficient battery storage. (2) When the engine decompresses, the motor rotates slowly and the commutator emits a strong spark. After the compression, the motor does not rotate or rotate. This is because the commutator is out of round, the mica protrudes, the carbon brush is excessively worn, the contact pressure is insufficient, or the armature coil is insufficient Partial open circuit, short circuit, iron touch caused. (3) When the engine decompresses, the motor will rotate slowly or smoke, and immediately after compression, it will not rotate or rotate, indicating that the motor is partially damaged by insulation or the broom.

Sorfa vacuum filter and bottle top filters are ideal labware consumables for filtering cell culture media, biological fluids and aqueous solution. Filter System are manufactured from raw materials of high transparency polystyrene in four different volumes: 150ml, 250 ml, 500ml and 1000 ml. The system consists of a bottle top filter with blue PE adapter and a solution bottle. Lid should be removed from bottle top filter before pouring media into bottle to filter impurities. Meanwhile, closing lid on bottle is necessary for prevent contamination when not in use.

Clear graduation is graved both on top filter and solution bottle to help users to adjust media volume. To meet the global market needs, membranes in top filter are available in four materials: PES, MCE, PVDF and NYLON. The four types of membrane are in pore size of 0.22 um or 0.45 um. All Sorfa tissue culture dishes are packaged in bags with sterilization, RNase-free, DNase-free and Non-pyrogenic.

Product Feature:

1. High transparency polystyrene.

2. PES, MCE, PVDF and NYLON are available.

3. Four volumes: 150ml, 250 ml, 500ml and 1000 ml.

4 .0.22 um and 0.45 um for choices

5. Sterilized by Gamma irradiation.

6. RNase-free, DNase-free and Non-pyrogenic.

Packaging information:

Lot number is printed on packaging for tracking

Individual packaging is easy to open

Cartons are customized for protecting products.

Product

Cat NO.

Membrane Filter

Pore Size

Sterile

Pack

150 ml Vacuum Filter System

SPE22150

PES

0.22 μm

Gamma

12pcs/ctn

SPE45150

PES

0.45 μm

Gamma

12pcs/ctn

SMC22150

MCE

0.22 μm

Gamma

12pcs/ctn

SMC45150

MCE

0.45 μm

Gamma

12pcs/ctn

SPV22150

PVDF

0.22 μm

Gamma

12pcs/ctn

SPV45150

PVDF

0.45 μm

Gamma

12pcs/ctn

SNY22150

NYLON

0.22 μm

Gamma

12pcs/ctn

SNY45150

NYLON

0.45 μm

Gamma

12pcs/ctn

250 ml Vacuum Filter System

SPE22250

PES

0.22 μm

Gamma

12pcs/ctn

SPE45250

PES

0.45 μm

Gamma

12pcs/ctn

SMC22250

MCE

0.22 μm

Gamma

12pcs/ctn

SMC45250

MCE

0.45 μm

Gamma

12pcs/ctn

SPV22250

PVDF

0.22 μm

Gamma

12pcs/ctn

SPV45250

PVDF

0.45 μm

Gamma

12pcs/ctn

SNY22250

NYLON

0.22 μm

Gamma

12pcs/ctn

SNY45250

NYLON

0.45 μm

Gamma

12pcs/ctn

500 ml Vacuum Filter System

SPE22500

PES

0.22 μm

Gamma

12pcs/ctn

SPE45500

PES

0.45 μm

Gamma

12pcs/ctn

SMC22500

MCE

0.22 μm

Gamma

12pcs/ctn

SMC45500

MCE

0.45 μm

Gamma

12pcs/ctn

SPV22000

PVDF

0.22 μm

Gamma

12pcs/ctn

SPV45000

PVDF

0.45 μm

Gamma

12pcs/ctn

SNY22000

NYLON

0.22 μm

Gamma

12pcs/ctn

SNY45000

NYLON

0.45 μm

Gamma

12pcs/ctn

1000 ml Vacuum Filter System

SPE22000

PES

0.22 μm

Gamma

12pcs/ctn

SPE45000

PES

0.45 μm

Gamma

12pcs/ctn

SMC22000

MCE

0.22 μm

Gamma

12pcs/ctn

SMC45000

MCE

0.45 μm

Gamma

12pcs/ctn

SPV22000

PVDF

0.22 μm

Gamma

12pcs/ctn

SPV45000

PVDF

0.45 μm

Gamma

12pcs/ctn

SNY22000

NYLON

0.22 μm

Gamma

12pcs/ctn

SNY45000

NYLON

0.45 μm

Gamma

12pcs/ctn

Brief of Membrane

  1. 1.PES (polyether sulfone) is high chemical, thermal stabile and has fast-flowing ability, acid and alkali resistant ability ( PH range 1-14), with high mechanical strength.

  1. 2.MCE(mixed cellulose esters) is the mixture of cellulose nitrate and cellulose acetate which is hydrophilic, chemical compatible and has a high amount of protein adsorption. Generally, it applies to particle analysis, particle place, biochemical analysis, HPLC sample preparation and solvent filtration.

  1. 3.PVDF(polyvinylidene fluoride) has chemical stability and inertness which is applicable to chemically aggressive organic solvents, strong acids and alkali solution and sample preparation of HPLC (high performance liquid chromatography) analysis. It`s hydrophobic to filter off moisture in the air, gases and is laminated on supporting net for its strong strength, operability. Preferably, it`s resistant to a high temperature of 130 degrees.
  3. 4.NYLON(organic nylon 66) is applicable in most organic solvents and aqueous solution, for instance, organic solvents of strong acid, 70% ethanol and methylene chloride. It has good strength, chemical stability and high temperature resistant ability.

Vacuum Filter System

Vacuum Filter System, Vacuum Filtration Bottle, Plastic Vacuum Filter System, Disposable Vacuum Filter System

Zhejiang Sorfa Medical Plastic Co., Ltd. (Ningbo Jiangdong Aron Imp&Exp. Co.LTD) , http://www.sorfapipettes.com

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