Effectively controlling the temperature rise of the high-speed rotating electric spindle bearing is a very important indicator of the electric spindle. The temperature rise of the spindle is closely related to the bearing. The method of reducing the temperature rise of the bearing is: (1) reducing the dynamic friction of the bearing; (2) adjusting and improving the heat dissipation environment of the bearing. There are several methods for lubricating the commonly used electric spindle:

1. Grease lubrication


Under normal circumstances, the heat per unit time of the bearing rises as the temperature rises, and the viscosity of the lubricating oil decreases. In order to avoid overheating of the bearing, the lubricant must be fully added. However, the increase in the amount of oil also increases the resistance of the agitation and increases the dynamic friction loss, thereby increasing the resistance of the electro-spindle. If it is lubricated with a small amount of grease, it will not achieve the purpose of low friction and will not bring out the heat of the bearing. The high-speed rotation of the high-speed electric spindle accelerates the deterioration of the grease and reduces the service life of the grease.

2. Oil mist lubrication


At present, the lubrication of the electric spindle of the CNC grinding machine is mostly lubricated with oil mist, and the oil mist lubrication is a small amount of lubrication, which reduces the friction loss and reduces the temperature of the bearing and improves the service life of the electric spindle. Another advantage is that due to the certain internal pressure inside the bearing seat due to the oil mist lubrication of the electric spindle, the damage of the electric spindle caused by the abrasive particles entering the shaft housing of the electric spindle is avoided. However, oil mist lubrication has environmental pollution and inaccurate oil control problems.

3. Oil and gas lubrication

Oil and gas lubrication has the following characteristics:

(1) It can supply a very small amount of lubricating oil to the bearing continuously and stably;

(2) The environmental pollution is small. After the oil-lubricated electric spindle is placed in the propylene box for about 2 hours, the air pollution level in the measuring box is about 0.03 mg/m. Contamination is less lubricated than oil mist, because the oil and gas lubrication is less than the oil mist lubrication, and the lubricating oil and compressed air flow into the bearing in both gas and liquid phases.

(3) It is difficult for dust or moisture and cutting fluid to enter the main shaft bearing of the electric motor. The compressed air maintains a positive pressure inside the electric spindle bearing.

Anti-Scald Electric Kettle

Anti-Scald Electric Kettle

Help you to boiled water in 5 minutes. 201stainless steel Electric Kettle which have passed food grand with a sleek and anti-Scald design and will compliment your kitchen counter-top to the fullest. It is equipped with a long handle that can be used by people of all hand sizes without straining your wrists anymore. Allow you to heat water faster than a microwave oven and surely safer than a stovetop kettle.

Features:

· Anti-Scald Electric Kettle: Protect your hand for avoid the scald. When you touch the body, it will not hurt you. Fill it more from the max line. We got you covered for a great and fast Anti-Scald Electric Kettle in the market, Besides the great and nice design, this kettle is extremely durable and will provide you endless coffee moments with family and friends and for your morning.

· High Quality Stainless Steel Teapot: Forget all about cheaply made electric kettles and trust your coffee or tea with our durable stainless steel kettle. Keep one at the house, one at the office and one for your camping explorations to enjoy your coffee and tees.

· Anti-Scald Handle For Easy Holding & Using: Upon designing this electric teapot, we tried to make it extremely easy and convenient to use. Place your hand around the handle when the water is ready, lift the cordless kettle and pour some hot water in your cup.

· Fast Heating & Automatic Shut Off: Our Anti-Scald Electric Kettle kettle has an automatic shut off button, so as to keep you safe when the water is ready.

· 360 Degree Rotational body with separated base: A 360-degree swivel ensures that you can pick it up from any side. Just plug it in and place it on your kitchen counter so that everyone in your family can pour themselves a steaming cup or water for their tea or coffee.

Application:

Make your favourite coffee.

Prepare comforting hot chocolate.

Cook eggs.

Anti-Scald Electric Kettle,Plastic Handle Kettle,Stainless Steel Kettle,Professional Electric Kettle

Guangzhou Taipeng Electrical Appliances Technology CO., LTD. , https://www.taipengelectric.com

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