How do you describe the specifications when buying gears?

There are dozens of types of gears, but the most common are three

1. Spur cylindrical gears.

2. Helical cylindrical gears.

3. Bevel gear.

There are several situations when buying gears:

A. The gears on the standard equipment, such as the gears on the lathe CA6140, because the CA6140 lathe is a general standard equipment, every part has **, you only need to report this ** and the manufacturer of the machine tool, you can buy it. If you can't find this, then you should report the installation position and number of teeth of this gear.

b. It is not a gear with low requirements on standard equipment, so as long as the following data is provided:

1. Gear form: whether it is a spur cylindrical gear, a helical cylindrical gear, or a bevel gear, it must be clearly stated;

2. Modulus; 3. a number of teeth;

4. Tooth thickness; 5. Inner hole size requirements, inner hole accuracy requirements, keyway size requirements;

6. Other special requirements, such as: whether there are chamfering requirements, etc.

c. It is not a gear with high requirements on standard equipment, in addition to providing the above data, it is necessary to provide:

1. Gear accuracy grade;

2. Common normal length requirements;

3. Gear material requirements, etc.

Modulus, number of teeth, pressure angle. The three basic parameters of the gear, the manufacturer should tell. The gear meshing condition is that the modulus and pressure angle are equal, respectively. Knowing the parameters of one gear, you can choose another according to the transmission ratio.

1. Type: 1. Whether it is an internal tooth or an external tooth.

2. Spur, helical, herringbone or bevel?

3. Involute or other?

Second, the number of teeth. 3. Pitch circle diameter.

Fourth, the width. 5. Materials.

6. Hardness requirements.

The pig just asked, the gears are usually machined according to the drawings. I've never heard of such a question.

It's not a regression. Gears are commonly used parts, not standard parts. Because gears are commonly used parts made by machinery, and will be different according to the use conditions, gears will also make corresponding changes and adjustments in form, number of teeth, modulus, and thickness, and can make infinite leakage and a variety of possibilities, so it is impossible to achieve standardization.

The gear has basic parameters such as the number of teeth, modulus, pressure angle, helix angle, tooth top circle, tooth root circle, number of span teeth, common normal and so on.

If you need to replace the gear, you can only find the original manufacturer of the equipment to purchase or make your own surveying and mapping.

There are various types of gears, such as cylindrical, conical, and bowl bottom.

Standard parts, structure, size, drawing, marking and other aspects have been completely standardized, and are commonly used parts (parts) produced by professional factories, such as threaded parts, keys, pins, rolling bearings, etc.

Gears, on which there are gears on the rim are mechanical elements that continuously mesh to transmit motion and power. The application of gears in transmission has been around for a long time. At the end of the 19th century, the principle of the developed tooth cutting method and the special machine tools and tools that used this principle for cutting teeth appeared one after another, and with the development of production, the stability of gear operation was emphasized.

Gears are not standard. Although, there are many items and contents of gear standards, but gears are not standard parts.

It should be said that the design of general gears follows a unified standard and has a unified algorithm to facilitate processing.

There are also non-standard, which are generally standard.

Gears do not belong to the national standard parts, which include O-rings, washers and retaining rings, structural parts, nuts, bolts and screws, rivets and welding nails, seals, pins and keys, and bearings. However, in the design process of gears, in order to reduce the number of gear tools, a national standard is set for the modulus of gears.

To determine the standard gear, only the modulus and the number of teeth are required. After the gear modulus and the number of teeth are determined, in accordance with national regulations, the modulus and the number of teeth are brought into the formula, and the tooth height, tooth pitch, indexing circle diameter, center distance, etc. of the gear are determined in turn, and the gear obtained in this way is called the standard gear.

Gears do not belong to the national standard parts, which include O-rings, washers and retaining rings, structural parts, nuts, bolts and screws, rivets and welding nails, seals, pins and keys, and bearings. However, in the process of gear design, in order to reduce the number of gear tools to be processed, a national standard was set for the modulus of gears.

For the determination of standard gears, the cluster imitation acacia only needs the modulus and the number of teeth. After the gear modulus and the number of teeth are determined, in accordance with the national regulations, the modulus and the number of teeth are brought into the formula, and the tooth height, tooth pitch, indexing circle diameter, center distance, etc. of the gear are determined in turn.