1, the quality of electric mill is unstable and the concentricity is poor.

2. The table grinder has poor concentricity due to its inherent structural defects.

3. The hanging mill has high power and good concentricity.

4. The dental machine has high rotating speed and high concentricity.

Second, the manipulation is different.

1, the handle of the electric mill is thick and difficult to control.

2. The table mill is a soft shaft, which is not easy to operate.

3. The hanging mill must be hung with a hook when it is used, and the handle is inconvenient to control? .

4. The dental machine is convenient and flexible to operate.

Third, the price is different.

1, the low price of electric mill is generally tens to 100 yuan.

2. The price of table mill is above 200-300 yuan, slightly higher than that of electric mill.

3. The price of hanging mill is above 200-400 yuan, slightly higher than that of electric mill.

4. The price of dental machine is relatively high, mostly above 400 yuan, higher than that of electric mill, table mill and hanging mill.

Select comparison:

Hanging mill has high power and good concentricity, but it is troublesome and noisy to hang, which is suitable for studios and large sculptures.

Dental machine can engrave details, and it is easy to operate. It is functionally superior to table mill and electric mill, but its price is slightly higher.

References:

Baidu encyclopedia-electric mill