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CSL-UV Impact Specimen Notch Hydraulic Electric Tensile Testing Machine

In the Charpy notched impact test for metallic materials, the quality of notch machining on the specimen is one of the key factors determining the accuracy of the test.

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Steel Structure Testing Equipment

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lbt@lbt.ltd

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+86-15102211717

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CSL-UV Impact Specimen Notch Hydraulic Electric Tensile Testing Machine

Description

Product Introduction:

In the Charpy notched impact test for metallic materials, the quality of the notch machined into the specimen is one of the key factors determining the accuracy of the test. Conventional machining methods such as turning, milling, planing, and grinding are not only time‑consuming but also make it difficult to produce specimens that meet the required specifications.
The pull‑testing machine is a convenient and efficient device for producing V‑ and U‑notch specimens. Developed in response to the practical needs of a broad user base and drawing on years of manufacturing experience from industry peers, it is a highly functional testing instrument that offers high precision and excellent specimen quality.
This notched‑specimen lathe features a hydraulic double‑tool design, enabling simultaneous machining of two specimen notches—one V‑notch and one U‑notch (or two V‑notches or two U‑notches). No tool changes are required for either V‑notch or U‑notch machining; each notch can be produced in just 9 seconds. The operation is exceptionally simple and reliable, and the resulting V‑ and U‑notches fully comply with the relevant requirements of domestic and international standards, including GB/T 229 “Metallic Materials — Charpy Impact Test Method,” ASTM E23, ISO 148, and others.
Years of practical experience have demonstrated that, aside from optical curve grinders, the impact‑specimen notching broaching machine is currently the only domestically available equipment capable of producing qualified specimen notches. The broach used in this machine is meticulously crafted from W18Cr4V steel, offering high hardness and excellent wear resistance; each tool can process approximately ten thousand specimens.
This testing machine boasts high precision, long service life, low noise, convenient operation, and reliable stability, making it an ideal specialized device for notch preparation of impact test specimens in the physicochemical laboratories of metallurgy, boiler and pressure vessel, vehicle and shipbuilding, construction machinery, and research institutions.

Structural Features and Operating Principle

The machine consists of a hydraulic system, a main drive unit, a cooling and lubrication system, an electrical control system, and auxiliary components.

Technical Specifications:

1. Notch of the test specimen: V-notch (2 mm, GB 229-94, ISO 148)
U meets the requirements (2 mm, GB 229-94)
2. Dimensions of the machined specimen: 10 (7.5, 5, 2.5) × 10 × 55 mm
3. Tool stroke: 390 mm
4. Pull‑cut speed: Adjustable
5. Drive Method: Hydraulic Cylinder
6. Equipment Weight:
7. External Dimensions: 640 x 400 x 1300 mm
III. Main Equipment Configuration:
1. Host 1 unit
2. Broaches: 2 pieces (already mounted on the main unit)
3. Hydraulic System: 1 set (already installed on the main unit)
4. Hydraulic valve block – 1 set (already mounted on the main unit)

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Customer Reviews

European Plastic Pipe Manufacturer｜Purchase: Ring Stiffness & Hydrostatic Burst Tester

From Thomas Bennett, Quality Director, UK plastic pipe factory

2026.06.05

★★★★★

“We have purchased two sets of pipe testing equipment from Laibote (Tianjin) for 18 months. The ring stiffness and hydrostatic burst testing machines run stably for daily batch inspection, test data matches ISO standard requirements precisely, and the intelligent test software is easy for our operators to master. Their after-sales team offers timely remote technical guidance whenever we have operational problems, spare parts supply is efficient. We have arranged a second bulk order for our new production workshop and will recommend Laibote’s testing machines to our industry partners across Europe.”

Middle East Construction Lab｜Purchase: Universal Electronic Testing Machine & Geotextile Test Equipment

From Mohamed Kareem, Lab Manager, UAE third-party construction inspection institute

2026.06.05

★★★★★

“We compared multiple testing equipment brands from Europe and China before cooperating with Laibote. Their WDW universal tester and full-set geotextile testing instruments meet local construction testing standards perfectly. Custom fixtures tailored per our specimen specifications save much testing time. Pre-sale technical communication was patient and professional; engineers provided online operation training after goods arrived. Stable machine performance greatly improves our laboratory’s detection efficiency, we are satisfied with cost performance and overall service.”

Southeast Asia Rubber & Polymer Factory｜Purchase: Vicat Softening Point & Tensile Testing Machine

From Tanaka Hiroshi, R&D Supervisor, Indonesia rubber materials enterprise

2026.06.05

★★★★★

“Laibote’s Vicat softening point tester and electronic tensile machine have been applied to our raw material incoming inspection and new formula development for over one year. High testing accuracy effectively controls our product defect rate. What impresses us most is their responsive after-sale service; technical staff reply our troubleshooting requests within 24 hours even for time zone differences. Compared with expensive European brands, Laibote’s equipment balances quality and price excellently, we plan to expand procurement of auxiliary testing instruments next quarter.”

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Keywords:

CSL-UV Impact Specimen Notch Hydraulic Electric Tensile Testing Machine

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Address:Tianjin Jinghai Economic Development Zone

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