1 Scope: This standard specifies the type and base wood parameters, technical requirements, test methods, inspection rules, markings, packaging, transportation, and storage of a double rotor single stage hammer crusher. This standard is applicable to double rotary single stage hammer crushers (hereinafter referred to as crushers) for crushing various types of ores, shale, and gypsum with moderate hardness and compressive strength limit below 200MPa. The clauses in the following documents are referred to as provisions of this standard through normative references. For dated reference documents, all subsequent amendments (excluding corrected content) or revisions are not applicable to this standard. However, parties to agreements based on this standard are encouraged to study whether the latest versions of these documents can be used. For undated references, the latest version applies to this standard. GB/T 191 Packaging, Storage, and Transportation Graphical Symbols (GB/T 191-2000, eqv ISO 780:1997) GB/T 984-2001 Surfacing Electrodes GBT 1591-1994 · Low Alloy High Strength Structural Steels GB/T 3077-1999 Alloy Structural Steels GB/T 3766 General Technical Conditions for Hydraulic Systems (GB/T 3766-2001. eqv ISO 4413:1998) GB/T 3768 Acoustics - Determination of Sound Power Levels of Noise Sources - Simplified Method for Measuring Surface Envelopes Above a Reflective Surface (GB/T 3768-1996, eqv ISo 3746: 1995) GB 39063-35kV AC Metal Enclosed Switchgear (GB 3906-1991, neq IEC 298:1990) GB/T 5226.1 Mechanical Safety - Electrical Equipment of Machinery: Part I: General Technical Conditions (GB5226.1-2002, IEC60204-1:200o, IDT) GB/T 7935 General Technical Conditions for Hydraulic Components GB/T 8923-1988 Rust Grades and Degrees of Rust Removal on Steel Surfaces before Painting (eqv 1so 8501-1:1988) GB/T 9239-1988 Determination of Permissible Unbalanced Quality of Rigid Rotors (eqv ISO 1940-1:1986) GBT 12361 General Technical Conditions for Steel Die Forgings GB/T 12362 General Technical Conditions for Steel Die Forgings - Tolerances and Mechanical Processing Allowances GBT 12469-1990 Welding Quality Assurance - Requirements and Defect Classification for Steel Melting Welding Joints GB/T 13306 Labeling GB/T 13384 General Technical Conditions for Mechanical and Electrical Product Packaging GB18452 Safety Requirements for Crushing Equipment JB/T 5000.3-1998 General Technical Conditions for Heavy Machinery - Welding Parts JB/T 5000.15-1998 General Technical Conditions for Heavy Machinery - Non destructive Testing of Forged Steel Parts JB/T 6404-1992 Large High Manganese Steel Castings
Function of testing report:
1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report
2. Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms 3. Used as a sales report: issuing legally effective testing reports to make consumers more confident 4. Papers and research: Provide professional personalized testing needs 5. Judicial services: providing scientific, fair, and accurate testing data 6. Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production problemsBaijian and testing process:
1. Telephone communication and confirmation of requirements
2. Recommend solutions and confirm quotations 3. Mail samples and arrange testing 4. Progress tracking and result feedback 5. Provide reports and after-sales service 6. If urgent or priority processing is requiredTesting and testing characteristics:
1. The testing industry is fully covered, meeting different testing needs
2. Fully cover the laboratory and allocate localized testing nearby3. Engineers provide one-on-one services to make testing more accurate
4. Free initial testing, with no testing fees charged
5. Self service order delivery for free on-site sampling
6. Short cycle, low cost, and attentive service 7. Possess authoritative qualifications such as CMA, CNAS, CAL, etc 8. The testing report is authoritative and effective, and is generally used in China