JCB269-01 Grease Multi‑Cycle Shear Tester
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This specialized testing instrument was designed and manufactured in accordance with the national standard GB/T 269, “Method for Determining Penetration of Lubricating Greases and Petroleum Greases,” and with reference to international standard ISO 2137, “Method for Determining Penetration of Lubricating Greases and Petroleum Greases,” as well as other relevant standards that specify requirements for full‑size penetration devices. It is suitable for determining the working penetration or extended working penetration of lubricating greases and petroleum greases under these standards, and for conducting shear tests up to 60 cycles or 100,000 cycles. After mechanical shearing, the consistency of the grease changes; the penetration test is then performed to assess the mechanical stability of the lubricating grease or petroleum grease.
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Product Details
This specialized testing instrument was designed and manufactured in accordance with the national standard GB/T 269, “Method for Determining Penetration of Lubricating Greases and Petroleum Greases,” and with reference to international standard ISO 2137, “Method for Determining Penetration of Lubricating Greases and Petroleum Greases,” as well as other relevant standards that specify requirements for full‑size penetration devices. It is suitable for determining the working penetration or extended working penetration of lubricating greases and petroleum greases under these standards, and for conducting shear tests up to 60 cycles or 100,000 cycles. After mechanical shearing, the consistency of the grease changes; the penetration test is then performed to assess the mechanical stability of the lubricating grease or petroleum grease.
Technical Specifications
1. Power supply: AC 220 V ±10%, 50 Hz
2. Applicable Standards: GB/T 269, ASTM D217
3. Counting method: Digital display counting
4. Digital display counting: 0–100,000 counts
5. Shear rate: 60 s⁻¹
6. Test samples: 2 pieces
7. Working stroke: 67–71 mm
8. Spindle speed: 1400 r/min
9. Motor power: 375 W
10. External dimensions: 500×600×450 (mm)
11. Instrument weight: approximately 125 kg
Performance Features
1. This instrument is a double-acting reciprocating testing device.
2. The instrument consists of an electric motor coupling, a reducer, an eccentric mechanism, a working unit, and a base, among other components.
3. A plum-blossom-type flexible coupling is used to connect the reducer and the motor, ensuring smooth operation.
4. The reducer adopts a box-type gear structure; the base is fabricated from thick steel plate, ensuring robustness and durability.
5. A digital timer is used to control the number of cuts, which can be set arbitrarily by the user.
6. Automatically displays and records the number of shear cycles; when the set number of cycles is reached, the machine stops automatically.
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Tianjin Dongfang Credit Rating Certificate
Bank Account Opening License
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No. 2, Building A27, Jiahai Zhejiang Merchants Science and Technology Park, No. 1 Shenzhen Avenue, Lianhe Subdistrict, Jingzhou Economic and Technological Development Zone, Hubei Province