GB/T 24855-2010Grain and oil machinery - General technical specification for assembling (English PDF)

Foreword

The standard proposed by the National Food Authority.

1 Scope

This standard specifies the technical requirements of the general assembly of grain and oil machinery products, the typical member assembly requirements, the whole assembly requirements and test side Method, inspection rules and signs, packaging, transportation and storage.

This standard applies to the component mounting assembly whole grain and oil machinery and products.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.

GB/T 191 Packaging - Pictorial signs

GB/T 491 calcium-based grease

GB/T 492 sodium based grease

GB/T 3768 Determination of sound pressure of sound power levels of noise sources using an enveloping surface reflectance measuring surface Simple Method

GB/T 24854 grain and oil machinery products packaging technology

JB/T 9876 Metal Cutting Machine topcoat color combination test and evaluation method

3 General Technical Requirements

3.1 should be product design and related technical documents assembled, and in accordance with the provisions of this standard.

3.2 assembly of parts and components shall be inspected by the inspection department.

Purchased 3.3 out parts should have to demonstrate compliance with quality requirements, acceptance of qualified before use.

3.4 prior to assembly, parts assembly to deal with the size of the check.

3.5 prior to assembly, all parts should be removed burr surface, burrs, chips, oil, rust. Inside the box should be cleaned.

3.6 parts before assembly of sharp corners, sharp edges should be inverted blunt (shear blade and other parts except for special requirements).

Pads 3.7 parts before assembly should be used during processing, and the processing of solder boss residual portion removed, and relief grinding smooth.

3.8 mating surfaces of the parts and the relative motion of the surface should not affect the performance of the damage. When assembled, the parts cooperating surface Should be cleaned and coated with a clean lubricant (grease).

3.9 In the assembly process should not damage the surface of the part or the parts deformation.

3.10 assembly, the edges should be trimmed to a variety of sump smooth rounded corners. Shovel into the sump should tick through the center hole.

3.11 Lubrication line ministries and mechanical piping and pneumatic components, should be cleared of obstructions within the tube, and clean. There should be no obvious cracks and wall Dent, distortion, flattening and other defects.

3.12 length of spring should remain free, should not be lengthened or shortened.

3.13 should not put any pads or casement drawings or technical documents are not provided.

3.14 kinds of pressure, flow, speed, angle and distance adjustment mechanism, shall be according to design requirements to ensure its adjustment range, and should be accurate positioning, Clear display, flexible and reliable.

4 Assembly fixed connection