GB/T 7346-2015Basic outline constructional type for control motors and feedback components (English PDF)

1 Scope

This standard specifies the control of the motor frame size, shape and installation dimensions, shaft extension, and outlet, marking and nameplate.

This standard applies to all types of motor control (hereinafter referred to as the motor), the motor can also refer to other types of use.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein

Member. For undated references, the latest edition (including any amendments) applies to this document.

GB/T 756 motor rotating cylindrical shaft extension

GB/T 1096 Ordinary flat key

GB/T 1568 key technical conditions

GB/T 1804 General tolerances Tolerances for linear and angular dimensions without individual tolerance

GB/T 2363 small modulus involute cylindrical gears accuracy

GB/T 4772.1 rotary motor size and power output rating - Part 1. Frame numbers 56 to 400 and flange numbers 55 to 1080

3 Frame

Frame adopts outer diameter, said when the motor is non-cylindrical shape structure inscribed circle diameter with a non-cylindrical cross-section representation.

Frame diameter correspondence should be in accordance with Table 1 or a product-specific technical conditions. Of diameter greater than 320mm by product-specific

Technical conditions.

Table 1 millimeters

Frame 12 16 2,024,283,236,404,555 7,090,110,130,160,200,250 320

Stand outside diameter of 12.5 1,620,242,832,364,045 55 7,090,110,130,160,200,250 320

4 shape and installation dimensions