Servo-Hydraulic
Universal Testing Machine
300 – 3000 kN
Servo-Hydraulic UTM · 300 kN – 3000 kN
The TM-SHM Series A Servo-Hydraulic Universal Testing Machine (300 kN – 3000 kN) is a high-force static tensile and compression testing system for metallic specimens used in material testing, quality control, production monitoring and certification workflows.
Key Benefits
Built for demanding mechanical testing programs, this system combines precision, standards compliance, and easy day-to-day operation. Key advantages at a glance:
Intuitive System & Interface
GenTest software and a guided interface make test setup, execution, and reporting straightforward, reducing operator training time and error.
Rapid Delivery
Standardized, production-ready configurations let us ship and commission your system on a short, predictable timeline.
Fully Standards-Compliant
Designed and verified to meet ASTM and ISO testing requirements, with calibration traceable to recognized standards.
Turnkey Testing Packages
Frames, load cells, grips, fixtures, and software are supplied as a matched package—ready to test on arrival, with no integration headaches.
High ROI, Low Operation Costs
Energy-efficient drive and low maintenance requirements keep cost-per-test low across the equipment’s long service life.
Reliable Support & Calibration
Backed by responsive technical support, scheduled calibration, and preventative maintenance to keep your lab running and compliant.
See It In Action
GenTest Software for Universal Testing Machines
Overview
Applications & Typical Specimens
The TM-SHM Series A is used for static tensile and compression testing of metallic materials in material testing laboratories, QA departments and industrial production facilities. Typical applications include tensile qualification per ASTM E8, mechanical property evaluation per ASTM A370, static loading procedures under ISO 6892-1, and rebar inspection following EN ISO 15630-1. The system supports routine batch verification, mill testing, welded joint assessment and component-level evaluation for industrial metal products. The machine accommodates medium- to large-scale metallic specimens and structural elements requiring high-force loading. Compatible specimens include:- Rebar, threaded bar, smooth bar and structural rod
- Plates, billets, thick sheet material and machined test coupons
- Steel wires, cables, chains, anchoring hardware and lifting components
- Welded joints, welded plate sections and heat-affected zones
- Cast and forged components, brackets and industrial metal housings
- Bolts, nuts, studs, fasteners and mechanical couplings
- Pipe segments, round bar, tubes, hollow cylinders and various cross-section profiles
- Compression blocks, load-bearing plates and die-forged elements
- High-strength alloys, carbon steels, stainless steels, tool steels and iron-base materials
- Tensile and compression samples prepared according to ISO 6892-1, ASTM E8 and ASTM E9 requirements
Key Features
Below is a consolidated set of key functional characteristics of the TM-SHM Series A:- Multi-Column Servo-Hydraulic Load Frame: Rigid 4- or 6-column construction with reinforced structural members for reduced deflection during high-force tensile and compression testing.
- Dual-Zone Test Configuration: Separate upper tension and lower compression stations available simultaneously, reducing handling time for repeated tensile-compression workflows.
- Lead-Screw Crosshead Positioning: Controlled vertical adjustment of the test space with precision guides for stable crosshead alignment under load.
- High-Resolution Force Measurement: Strain-gauge load cell installed in the lower fixture area, capturing tension and compression forces with a resolution of 1/500,000 FS; calibration consistent with ASTM E4.
- Pressure-Following Hydraulic Regulation: Hydraulic system with cartridge logic valves and screw-pump flow delivering smooth, pulse-free pressure response under varying load conditions.
- Low-Noise Hydraulic Pumping System: Screw-pump design minimizing hydraulic pulsation and reducing operating noise in continuous test environments.
- High-Efficiency Filtration and Cooling: Multi-stage 5 μm filtration protecting servo components, combined with an automatic air-cooling system for thermal stability during extended operation.
- Servo Valve Control Architecture: High-performance servo valve enabling accurate force and displacement control with low hysteresis and fast pressure response.
- Digital Controller: 6-channel 24-bit data acquisition, up to 1200 Hz control frequency, support for encoder feedback, closed-loop control modes and built-in safety protections.
- GenTest Software Integration: Execution of ASTM and ISO tensile and compression methods with real-time data display, result calculation and report generation.
System Architecture & Load Frame
The TM-SHM Series A combines a reinforced servo-hydraulic load frame, an integrated hydraulic power unit and a digital control platform designed for high-force static tensile and compression testing. The structural and hydraulic elements are configured to maintain alignment under load, deliver stable pressure and support the control precision required for ASTM and ISO metal testing procedures.Load Frame & Mechanical Structure
The load frame is built around a 4- or 6-column structure designed to maintain stiffness under high-force loading. Reinforced members limit deflection during tensile and compression testing and provide a stable foundation for measurement accuracy. Crosshead movement is controlled by a lead-screw adjustment system, allowing consistent vertical positioning of the tensile and compression spaces. The fixed dual-zone layout uses the upper crosshead for tension and the lower platen for compression, supporting standard metal testing workflows.Key Characteristics
- Reinforced multi-column structure for high-load stability
- Fixed upper tension and lower compression stations
- Lead-screw crosshead adjustment with guided vertical travel
- Alignment maintained throughout the loading cycle
Load Cell Assembly
The system uses a strain-gauge load cell positioned in the lower fixture area to capture both tensile and compression forces directly through the specimen. It operates across the full force range without switching steps and provides a 1/500,000 FS measurement resolution. The design supports repeatable, stable readings required for certification testing.Key Characteristics
- Direct tensile and compression force measurement
- High-resolution strain-gauge load cell (1/500,000 FS)
- Stable readings without range switching
- Consistent performance for routine and certification workflows
Hydraulic Power Unit (HPU)
The hydraulic power unit supplies the main cylinder and fixture hydraulics through an integrated system designed for stable pressure delivery. It uses cartridge logic valves to regulate working pressure according to real-time cylinder demand. A preset differential (e.g., 2 MPa) is maintained to stabilize transitions during loading. Pressure Regulation- Cartridge logic valves for real-time pressure adjustment
- Pressure-following control maintains a preset differential
- Lower output pressure at low load; higher output at increased demand
- Controlled hydraulic output up to 27.5 MPa
- Stable flow with minimal pulsation
- Long service life and low maintenance requirements
- Automatic air-cooling activation at defined oil-temperature thresholds
- Multi-stage filtration with 5 μm absolute rating
- Protection for servo valves, pump internals and high-pressure components
- Semi-open enclosure with removable panels for component access
- Relief-valve protection for overpressure events
- High-pressure hoses and cone-seal fittings for reliable sealing
Control System
The DTC-500 control platform manages force, displacement and extension through digital closed-loop control. It uses 6-channel, 24-bit A/D acquisition with sampling and control frequencies up to 1200 Hz. Three digital high-speed inputs accommodate encoder or grating-ruler feedback up to 4 MHz, with 20-bit resolution for digital inputs. Control Architecture The controller operates independent closed loops for force, extension and displacement. It supports mode switching as required by static tensile and compression test procedures. Connectivity & Interfaces The control unit provides USB and Ethernet ports for communication. A dedicated Ethernet processor handles TCP/IP data traffic. Optional dual analog outputs are available for external signal integration. Safety & Configuration TEDS support enables automated transducer identification. The controller includes limit protection, overload protection and emergency-stop input circuitry. Hardware Platform A 4-layer PCB layout is used to improve noise resistance and maintain signal stability. Locking connectors are employed to secure wiring during continuous testing.GenTest Professional Test Software
GenTest is a standards-based software platform used for managing tensile and compression tests, configuring method parameters, capturing real-time data and generating structured reports. The system supports ASTM, ISO, DIN and EN procedures commonly used in metal testing, certification workflows and routine laboratory evaluation. Test setup, execution and result calculation follow the requirements of international material-testing standards. Key Software Features- Library of pre-configured test methods aligned with ASTM, ISO, DIN and EN standards
- Straightforward method editing for custom test routines or production-specific parameters
- Built-in standard routines for routine tensile and compression testing
- Report templates that allow adding company details, statistics and result fields; export available to Excel or Word
- Real-time curve display, including displacement-load, stress-strain, displacement-time and load-time
- Analysis tools for calculating typical results, including Fm, ReL, ReH, Rp and other values defined by the selected standard
- Flexible unit selection: N, kN, kgf, lbf, MPa and user-defined units via formulas
Technical Specifications
| Specification | SHM305 | SHM605 | SHM106 | SHM206 | SHM306 |
|---|---|---|---|---|---|
| Frame Type | Type A | ||||
| Capacity (kN) | 300 | 600 | 1000 | 2000 | 3000 |
| Calibration Accuracy | Class 0.5 | ||||
| Force Accuracy | ±0.5% | ||||
| Force Range | 1% to 100% FS | ||||
| Force Resolution | 1/500,000 FS | ||||
| Extension Accuracy | ±0.5% | ||||
| Extension Resolution | 1/500,000 of max extension | ||||
| Position Resolution | 0.00016 in (0.004 mm) | ||||
| Position Accuracy | ±0.5% of reading | ||||
| Actuator Stroke | 5.91 in (150 mm) | 9.84 in (250 mm) | 9.84 in (250 mm) | 9.84 in (250 mm) | 11.81 in (300 mm) |
| Actuator Speed | 0–7.09 in/min (0-180 mm/min) | 0–5.51 in/min (0-140 mm/min) | 0–3.54 in/min (0-90 mm/min) | 0–2.76 in/min (0-70 mm/min) | 0–3.94 in/min (0-100 mm/min) |
| Crosshead Speed (adjustment) | 13.78 in/min (350 mm/min) | 10.63 in/min (270 mm/min) | 12.20 in/min (310 mm/min) | 14.17 in/min (360 mm/min) | 9.45 in/min (240 mm/min) |
| Force Loading Speed | 0.05%-2% FS/s | ||||
| Column Number | 4 | 6 | 6 | 6 | 6 |
| Column Spacing (test width) | 16.14 in (410 mm) | 17.13 in (435 mm) | 17.72 in (450 mm) | 28.74 in (730 mm) | 20.87 in (530 mm) |
| Max Tension Space | 20.47 in (520 mm) | 27.95 in (710 mm) | 29.53 in (750 mm) | 35.43 in (900 mm) | 47.24 in (1,200 mm) |
| Max Compression Space | 20.47 in (520 mm) | 27.56 in (700 mm) | 29.53 in (750 mm) | 29.53 in (750 mm) | 39.37 in (1,000 mm) |
| Round Specimen Ø Range | Ø10-Ø20 mm / Ø20-Ø32 mm | Ø10-Ø21 mm / Ø21-Ø31 mm | Ø12-Ø23 mm / Ø23-Ø35 mm | Ø15-Ø30 mm / Ø30-Ø55 mm | Ø30-Ø70 mm / Ø70-Ø110 mm |
| Flat Specimen Thickness | 2-13 mm / 13-25 mm | 2-16 mm / 16-30 mm | 2-20 mm / 20-40 mm | 10-40 mm / 40-70 mm | 10-60 mm / 60-100 mm |
| Compression Platens Ø | Ø120 mm | Ø150 mm | Ø200 mm | Ø240 mm | Ø280 mm |
| Frame Dimensions (LxWxH) | 32.28 x 22.44 x 76.97 in (820 x 570 x 1,955 mm) | 37.01 x 25.59 x 94.49 in (940 x 650 x 2,400 mm) | 40.16 x 26.38 x 102.36 in (1,020 x 670 x 2,600 mm) | 53.94 x 32.28 x 124.02 in (1,370 x 820 x 3,150 mm) | 52.01 x 37.40 x 155.51 in (1,320 x 950 x 3,958 mm) |
| HPU Dimensions (LxWxH) | 45.28 x 23.62 x 35.43 in (1,150 x 600 x 900 mm) 45.28 x 24.80 x 39.37 in (1,150 x 630 x 1,000 mm) | ||||
| Hydraulic Power Unit Weight | 661 lb (300 kg) / 882 lb (400 kg) | ||||
| HPU Flow Rate (L/min) | 5 | 5 | 5 | 7.2 | 12 |
| Power Consumption (kW) | 2.5 | 3.5 | 4 | 6 | 6 |
| Power Supply | 220 V AC, 50/60 Hz | ||||
| Frame Weight | 3,307 lb (1,500 kg) | 5,512 lb (2,500 kg) | 7,716 lb (3,500 kg) | 14,991 lb (6,800 kg) | 22,513 lb (10,220 kg) |
Service Plan
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View details →Frequently Asked Questions
What force capacity range does the servo-hydraulic UTM cover?
The Series A spans a wide high-force range, from 300 kN at the smallest frame up to 3000 kN at the largest, so you can size the machine to the highest load your specimens actually require rather than over-buying.
Choosing within the range usually comes down to your maximum expected force and specimen size.
Learn more about our tensile testing equipment.
What is the TM-SHM Series A servo-hydraulic universal testing machine used for?
The TM-SHM Series A is a high-force static universal testing machine for tensile and compression testing of metallic specimens. It is used across material testing, quality control, production monitoring, and certification workflows where large cross-section samples need controlled, repeatable loading.
The servo-hydraulic actuator delivers steady load through the test, while the multi-column load frame keeps the specimen aligned during high-force tension, proof, and compression work.
For a configuration matched to your work, request a personal quote.
How do I choose the right servo-hydraulic UTM model for my lab?
The right frame depends mainly on two things: the highest force you expect to apply and the size of your specimens. Larger cross sections and higher loads point to the larger frames in the 300 kN to 3000 kN range.
Your standards and testing mix refine the choice further, which is why it helps to talk through your actual workload.
See our standards and certification for details.
What specimen types and materials can the servo-hydraulic UTM test?
The machine is built for metallic specimens and supports both round and flat geometries under tension, proof, and compression loading. A dual-zone test arrangement lets it handle different specimen sizes without reconfiguring the whole frame.
It suits high-force work such as bar, plate, fastener, and structural metal testing.
Questions about your setup? talk to our team.
Can the servo-hydraulic UTM perform both tension and compression testing?
Yes. The same frame handles tensile, proof, and compression testing, which lets one machine cover several test types instead of splitting them across separate systems.
The servo-hydraulic actuator provides controlled loading in both directions, and the multi-column frame maintains alignment under high force.
To discuss your specimens and forces, call 877-672-2622.
Which testing standards is the servo-hydraulic UTM built for?
The Series A is designed and verified to meet widely used tensile, compression, and force-verification standards, with calibration traceable to recognized references. Commonly cited standards include:
- ASTM E8, A370, E4, E92, E21, and D3039
- ISO 6892-1, ISO 6892-2, ISO 7500-1, ISO 527, and ISO 9513
- EN ISO 15630-1
Final compliance still depends on your specimen, method, and calibration, so confirm the exact editions you work to.
Explore matched grips and fixtures.
How does the servo-hydraulic UTM keep results accurate and traceable?
Accurate, repeatable force and extension measurement is what makes test data usable for release and certification. The Series A is built for controlled measurement and is supplied with calibration traceable to recognized standards.
Keeping calibration current is part of staying compliant over the machine’s life.
For a configuration matched to your work, request a personal quote.
Why is ISO 17025-certified calibration important for my testing equipment?
Send your requirements to sales@tensilemillcnc.com.
What is included in a turnkey servo-hydraulic UTM package?
The system is supplied as a matched, ready-to-test package, so you are not left integrating parts from different suppliers. A typical package includes:
- The load frame and servo-hydraulic power unit
- Load cells, grips, and fixtures
- GenTest software
Because the components are matched and commissioned together, the system is ready to test on arrival.
Learn more about our tensile testing equipment.
What software runs the servo-hydraulic UTM?
The machine runs on GenTest software with a guided interface that walks the operator through test setup, execution, and reporting. This keeps operation straightforward and reduces both training time and operator error.
Standardized test templates help keep results consistent between operators and shifts.
For a configuration matched to your work, request a personal quote.
What are the expected maintenance costs for the testing machine?
Our team can walk you through the details.
See our standards and certification for details.
How does the servo-hydraulic design handle high-force and large cross-section samples?
High-force testing puts heavy demands on both loading and alignment, and the Series A addresses each. The servo-hydraulic actuator delivers controlled loading for large cross-section samples, while the multi-column load frame resists deflection and keeps the specimen aligned through the test.
Good alignment is what keeps high-force results valid, so the frame design is central to the machine.
Questions about your setup? talk to our team.
How easy is the UTM to operate, and is training included?
To discuss your specimens and forces, call 877-672-2622.
What after-sales support is available for the UTM?
Explore matched grips and fixtures.
How do I know which TensileMill CNC service plan is best for my needs?
For a configuration matched to your work, request a personal quote.
How do you minimize downtime for the servo-hydraulic UTM?
Keeping high-force testing systems available is a priority, so support is built around fast response. If an issue arises, our team provides remote diagnostics and step-by-step guidance, typically within about four hours of first contact.
When a part or an on-site visit is needed, we coordinate shipping and a technician, usually within 24 to 48 hours depending on complexity.
Remote diagnostics resolve many issues before a visit is ever needed, which keeps your UTM productive and lab-ready. To reach support fast, request support.
What are the power and installation requirements for the servo-hydraulic UTM?
The system runs from a standard industrial supply and uses a separate hydraulic power unit that sits alongside the load frame. Because frame size and the power unit vary by model, the exact space, power, and access needs depend on the frame you choose.
We can confirm the footprint, power, and site preparation for your specific model before delivery.
Learn more about our tensile testing equipment.
How do I get a price or order the servo-hydraulic UTM?
You can request a personal quote or order online. For the right configuration, it helps to share your maximum force, specimen types, and the standards you test to, so the recommendation matches how you work.
For a configuration matched to your work, request a personal quote.
What is included in the TensileMill CNC service plan?
The plan combines three core services to keep your testing workflow reliable: annual preventive maintenance for CNC specimen preparation equipment, ISO 17025-certified calibration for universal testing machines, hardness testers, and impact testers, and structured operator training for both new and experienced users.
Preventive maintenance includes mechanical inspection, lubrication, motion and spindle checks, safety interlock verification, controller backups, and firmware or software updates. This reduces unplanned downtime, stabilizes cut quality on flat and round specimen systems, and extends component life across drives, spindles, and fixtures.
Calibration is coordinated through ISO/IEC 17025-accredited partners, on site or at an accredited lab depending on the instrument. Typical scope covers:
- Force verification for UTMs to ASTM E4 or ISO 7500-1
- Alignment checks per ASTM E1012 when requested
- Displacement or extensometer verification to ASTM E83 or ISO 9513
- Impact verification relevant to ASTM E23
- Hardness verification to the applicable scales
You receive traceable certificates and service reports suitable for audits. Training covers safe operation, fixturing and grip selection, specimen programming, test-method setup, and routine care, helping teams increase throughput and keep results audit-ready.
To compare coverage options or schedule a visit, talk to a specialist.
What is the lead-time for the servo-hydraulic UTM?
Questions about your setup? talk to our team.
Why should I choose your UTM?
To discuss your specimens and forces, call 877-672-2622.
RELATED TO STANDARDS
ASTM 8
- ASTM E83: Calibration, verification, and classification of extensometer systems
- ASTM E74 (Class AA) — Force-measuring instrument calibration for reference standards
- ASTM E4-24 Force Calibration and Verification of Testing Machines
- ASTM E1012: Verification of Testing Frame & Specimen Alignment
- ASTM E8/E8M – Tension Testing of Metallic Materials
- ASTM F606/F606M — Mechanical Testing of Threaded Fasteners, Washers, DTIs, and Rivets
- ASTM A370 Mechanical Testing of Steel Products
- ASTM E21 Elevated-Temperature Tensile Testing of Metallic Materials
ISO 8
- ISO 9513 — Calibration of extensometer systems for uniaxial testing
- ISO 7500-1 — Calibration & verification of static uniaxial testing machines (force measurement)
- ISO 7500-1:2018 — Calibration & Verification of Force-Measuring Systems (Tension/Compression Testing Machines)
- ISO 4545-2 — Knoop hardness testing machine verification and calibration
- ISO 376 (Force-Proving Instrument Calibration for Uniaxial Testing Machines)
- ISO 148-3 — Charpy V-notch reference test pieces for pendulum impact machine verification
- ISO 148-2 — Verification of Charpy pendulum impact testing machines
- ISO 13802 — Verification of Pendulum Impact-Testing Machines (Charpy, Izod, Tensile Impact)
DIN 6
- DIN EN ISO 9513 – Calibration of extensometer systems for uniaxial testing
- DIN EN ISO 7500-1 — Calibration & Verification of Force Measurement for Tension/Compression Test Machines
- DIN EN ISO 376 – Calibration of force-proving instruments for uniaxial testing machines
- DIN EN ISO 148-2 — Verification of Charpy Pendulum Impact Testing Machines
- DIN 51306 — Verification of Pendulum Impact Testing Machines
- DIN 51222 — Pendulum impact testing machines (≤ 50 J) requirements and verification
GB/T 4
- GB/T 4340.2 Vickers hardness tester verification and calibration
- GB/T 231.2 — Brinell hardness testing machine verification & calibration
- GB/T 230.2 — Rockwell hardness tester & indenter verification and calibration
- GB/T 16825.1 (Static uniaxial testing machines — force-measuring system calibration & verification)
More standards can be added on-site with licensed TM Software, no specialist training required.
Your team can extend the machine to new test standards at any time using the machine's licensed TM Software, without CNC programming experience or outside help.