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Wood is commonly employed as an engineering material in the construction and furniture industry. With its broad range of physical and mechanical properties, wood from different species of trees can be chosen to suit specific application requirements. Standards, such as ASTM D143, cover testing methods to determine the mechanical properties including flexure strength, tensile strength and shear strength of wood. This allows engineers to compare the properties of various species before choosing one which best fits the engineering requirements.
Chipboard, fiberboard, and particle board are engineered materials made by gluing wood chips or wood particles together with an adhesive under high pressure. Increased use of these materials has resulted in the need for more stringent testing to determine their strength properties
Nail or screw withdrawal Internal bond test grip
UnitedTest offer a number of test fixture to determine strength parallel or perpendicular to the grain, cleavage strengths, Internal bond strengths and specific requirements like nail or screw withdrawal strength, flexure, compression test etc., Other standards UnitedTest wood testing fixtures conform to include ASTM D1037, ASTM D1761, BS373, BS5669, JIS A5905, JIS A5906 and JIS A5908.
| Load capacity | 10KN/20KN/30KN/50KN |
| Frame proof load capacity | 300% of rate capacity |
| Multiple load cell in one machine function | YES |
| Load Accuracy | Class 1/0.5 according ISO7500-1 |
| Load cell overload capacity | 150% of rate capacity |
| Load measuring resolution | 1/500000 FS, stepless |
| Position / displacement resolution | 0.001mm |
| Crosshead travel | 1200mm |
| Tensile test space | 700mm |
| Compression test space | 800mm |
| Effective testing width (Clearance between columns) | 500mm |
| Standard tensile test fixture | Manual wedge type |
| Wedge tensile fixture Flat specimen range | 0-20mm |
| Wedge tensile fixture Flat specimen range | Φ4-Φ20mm |
| Compression platen diameter | Φ100mm |
| Testing speed range | 0.001 mm/min～500 mm/min, stepless, adjustable arbitrarily (Optional max. 1000mm/min) |
| Weight | 450Kg~600kg |
| Standard Power | 220/110V, 50/60HZ, 1 phase |
| Analysis software | SmartTest English version |
| Working system | MS Win7 / Win10 |
| Frame structure | Standard: Dual test space Optional: Single test space |
| Test Fixture: Internal bond tensile strength test for fiberboard, wood adhesives (Perpendicular to surface); Wood Test Fixtures Tension Grips - Perpendicular to Grain Wood Based Products Nail and Screw Withdrawal Tension Tests Tensile Grips Wood Fiber Particle Board (Parallel to surface) Wood bend test fixture Shear test fixture for wood (interlaminar shear test) Compression test fixture for wood | |
| High Stiffness Frame | 1 set |
| Servo driving system: Servo motor: | 1 set |
| Loadcell: | 1 set |
| Decelerator and deceleration system | 1 set |
| Leading screw: | 1 set |
| wood specimen test fixtures | 1 set |
| Compression test fixture | 1 set |
| Professional testing software(SmartTest, English version) | 1 set |
| Computer | 1 set |
| Printer | 1 set |
| Documents (Manual, packing list, certificate) | |
ASTM D1037, Standard Test Methods for Evaluating Properties of Wood-Base Fiber and Particle Panel Materials
ASTM D143, Standard Test Methods for Small Clear Specimens of Timber
ASTM D1761, Standard Test Methods for Mechanical Fasteners in Wood
ASTM D3043, Standard Test Methods for Structural Panels in Flexure
ISO 3133, Wood -- Determination of ultimate strength in static bending
ISO 6238, Adhesives -- Wood-to-wood adhesive bonds -- Determination of shear strength by compressive loading
ASTM D905, Standard Test Method for Strength Properties of Adhesive Bonds in Shear by Compression Loading
ASTM D198, Standard Test Methods of Static Tests of Lumber in Structural Sizes
ASTM D3044, Standard Test Method for Shear Modulus of Wood-Based Structural Panels
ASTM D3498, Standard Specification for Adhesives for Field-Gluing Plywood to Lumber Framing for Floor Systems
ASTM D3501, Standard Test Methods for Wood-Based Structural Panels in Compression
ASTM C557, Standard Specification for Adhesives for Fastening Gypsum Wallboard to Wood Framing
BS 373, Methods of testing small clear specimens of timber
BS 5669, specification for wood chipboard and methods of test for particle board
JIS K 6802, JIS Z 2117, JIS A 5905, JIS A 5906, JIS A 5908