In the meticulous world of material notch impact testing, the creation of precise V-shaped or U-shaped notches reigns supreme in ensuring test accuracy. The LS-U/V manual notch pulling machine emerges as the paramount solution, unwaveringly delivering 100% qualified production of pristine V-shaped notches, along with flawlessly crafted U-shaped notches in both 2mm and 5mm specifications.
Designed with a user-friendly manual operation mechanism, this machine is tailored to meet diverse needs, offering configurations for either V-shaped or 2mm U-shaped notch cutters. It masters the art of one-time forming of specimen notches, boasting a straightforward yet dependable operation. These meticulously produced V-shaped and 2mm U-shaped notches are in complete adherence to the following standards:
ISO 148-1:2016 Metallic materials - Charpy pendulum impact test - Part 1: Test method
ISO 148-2:2016 Metallic materials - Charpy pendulum impact test - Part 2: Verification of testing machines
ASTM E23-18 Standard Test Methods for Notched Bar Impact Testing of Metallic Materials
DIN 50115 Testing of metallic materials - Impact bending test - Test specimens (DVM specimen requirement)
GB/T 229-2007 Metallic materials - Charpy pendulum impact test method
This indispensable piece of equipment serves as a cornerstone in the realms of metallurgy, the manufacturing of boilers and pressure vessels, the automotive and shipbuilding sectors, construction machinery production, and the innovative corridors of scientific research laboratories.
Technical Specifications
Parameter |
Specification |
Notch Types |
V-shaped (per GB/T 229-2007, ZSO148) U-shaped 2mm (per GB/T 229-2007) |
Specimen Size |
10 × 10 × 55 mm |
Pulling Stroke |
350 mm |
Pulling Speed |
2.5 mm/min |
Dimensions (L×W×H) |
350 × 350 × 700 mm |
Machine Weight |
100 kg |
Packing List
Item |
Quantity |
Main Machine |
1 unit |
V-Type Notch Cutter |
1 piece (installed on the main machine) |
U-Type Notch Cutter |
1 piece (installed on the main machine) |
Instruction Manual |
1 copy |
Certificate of Conformity |
1 copy |
Packing List |
1 copy |

As a pioneering force in the realm of testing equipment, Jinan Nake Test Equipment Co., Ltd. has been setting standards for over two decades. Our esteemed NAKE Group is propelled by a dynamic team of more than 20 innovative R&D professionals, complemented by over 50 adept production experts, and a dedicated after-sales service ensemble of 10+ specialists. Spanning over 4,000 square meters, our cutting-edge manufacturing and office facilities epitomize excellence. We proudly hold the esteemed recognition as a National High-Tech Enterprise in China, reflecting our commitment to innovation and advancement.
Our adherence to an ISO 9001:2015-certified quality management system ensures meticulous control throughout the entire production process. By procuring approximately 5,000 tons of raw materials each year and leveraging our in-house machining and assembly prowess, we secure a distinct 3% edge in manufacturing costs over industry competitors, all while maintaining unwavering product excellence and consistency.
In the past five years, our unwavering dedication to precision and quality has resulted in an impressive on-time shipment rate exceeding 98.2%, a product failure rate below 0.3%, and a remarkably low rework rate under 0.28%. This commitment to excellence is further evidenced by our OEM manufacturing services provided to over 20 Chinese exporters, producing around 600 units of mechanical testing equipment annually, underscoring our unrivaled leadership in the industry.
Our brand, NAKE Test Equipment, enjoys widespread recognition throughout China, with our exceptional products reaching over 30 countries globally. As a direct manufacturer boasting independent R&D and production capabilities, we present unparalleled advantages in terms of technical acumen, bespoke product customization, and cost effectiveness, outshining distributors and intermediaries in every aspect.




After - Sales Service introduction:
1. Enjoy peace of mind with our comprehensive one-year product warranty, ensuring your Customized Low Temperature Testing Machine remains in pristine condition.
2. Benefit from our commitment to innovation with permanent free software updates, keeping your equipment at the cutting edge of technology, always.
3. Experience hassle-free ownership with our permanent maintenance services, ensuring your machine performs optimally without interruption.
4. Leverage our expert support through remote video guidance, offering you real-time assistance wherever you are, whenever you need it.
1. Is your company a manufacturer or a trading company?
We are a professional manufacturer of materials testing equipment with independent R&D, production, and assembly capabilities. All core components are machined and assembled in-house, ensuring superior quality control, production efficiency, and cost management. Compared to distributors or intermediaries, we offer greater technical expertise, product customization, and competitive pricing.
2. How do you ensure product quality?
We implement strict quality control measures:
ISO 9001:2015-certified quality management system ensures process stability.
In-house machining and assembly of key components guarantee consistency and reliability.
Over the past five years, our product failure rate has remained below 0.3%, with a rework rate under 0.28%, significantly outperforming industry averages.
3. What is your typical lead time?
With an efficient production system, we have achieved an on-time delivery rate exceeding 98.2% over the past five years. Lead times vary based on order volume and product type:
Standard models: 15-30 days
Customized products: Lead time depends on design complexity
4. Do you offer OEM or ODM services?
Yes, we provide OEM manufacturing services for 20+ Chinese exporters, producing approximately 600 units of testing equipment annually. We offer custom branding, software interface modifications, and functional upgrades to meet client requirements while ensuring compliance with international standards.
5. What industries are your testing machines used in?
Our testing equipment is widely applied in various industries, including:
Metals & composites
Rubber & plastics
Construction & civil engineering
Aerospace & automotive manufacturing
Research institutes & university laboratories
6. What after-sales services do you provide?
We offer comprehensive after-sales support, including:
Remote technical assistance: Installation guidance, troubleshooting, and maintenance support via phone, email, or video.
On-site services (available in select regions): Professional engineers can provide installation training and repair services if needed.
Spare parts supply: Long-term availability of original factory parts to ensure stable equipment operation.
Equipment upgrades & software updates: Functional upgrades and software optimizations as per customer needs.
7. How can I request a quote or place an order?
You can contact us through:
Phone/Email Inquiry: Provide your specific requirements, and our sales team will respond within 24 hours.
Custom Solutions: If you have special testing needs, our engineering team can offer tailored solutions and detailed quotations.
8. What are your competitive advantages over industry peers?
Full in-house production for superior quality control: Key components are machined in-house, ensuring consistency and durability.
Manufacturing cost advantage: Our optimized supply chain results in a 3% lower production cost compared to industry averages, providing a cost-effective solution for customers.
Exceptional delivery performance: 98.2%+ on-time delivery rate, ensuring smooth project execution.
Global market experience: Products exported to 30+ countries, meeting multiple international standards.