3 and 4 Point Fatigue Flexure Fixtures

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3 and 4 Point Fatigue Flexure Fixtures

3 and 4 Point Fatigue Flexure Fixtures

The flexure fixture allows a variety of flexural and fracture toughness bond tests to be performed, including determination of flexural modulus, flexural strength and flexural yield strength. 

Easy to install, the 3 point fixture can be modified with an optional conversion kit to provide a 4 point bending conversion. 

Lower anvils are adjustable to accommodate specimens of different spans. Deflection of the specimen can be measured either through crosshead displacement, or for more precise measurement use the mid span direct measurement deflectometer plunger with clip on extensometer. T

工作原理

The specimen is supported on two precision machined (free to rotate or stationary) anvils of a defined radius. The force is applied either centrally (3 point) or at a defined distance either side of the center (4 point). The support beam is graduated lengthways in metric units for accurate positioning of the anvils, equally spaced to the center line.

This feature also applies to the 4 point loading beam and anvils.

應用範圍

  • Type of loading: static flexure, cyclic flexure tests. 
  • Specimen material: plastics, metals, alloys, composites, ceramics and other materials. 
  • Specimen shapes: strip, bar, components.

配件

Item NameCat#
100 kN Flexure Fixture, Fatigue 3 Point2810-181
250 kN Flexure Fixture, Fatigue 3 Point2810-200
500 kN Flexure Fixture, Fatigue 3 Point2810-250
10 kN Flexure Fixture, Fatigue 3 Point2810-500/505
3 kN Flexure Fixture, Fatigue 3 Point2810-600/605

Air Cushion Isolators

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Air Cushion Isolators

Air cushion isolators for 8800 Series

Air cushion isolators provide an effective method for reducing the transmission of vibration to and from a servo-hydraulic test system.

工作原理

Air cushion isolators are attached to the machine between the loadframe and the floor. The isolator is effectively a balloon which is inflated with compressed air to provide vibration absorption. Air cushion isolators are effective at frequencies above 15 Hz.

應用範圍

  • Reduction of transmitted vibration from servo-hydraulic test systems

配件

Item NameCat#
Air Cushion Isolators for Testing Frequencies Above 15Hz1300-008
Isolation Mounts for 8801 or 8516 (1 set); For Testing Frequencies Above 15Hz.1300-009

Paper and board

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Paper and board

Paper and paper board testing is important to the pulp and paper industry because of the demands placed upon it for a wide range of applications. 

In printing, for example, paper is handled from either cut sheets or rolls (webs) and the tensile strength and elongation properties must meet stringent customer requirements. In packaging, testing of corrugated paper is performed to measure the resistance of edgewise compression.

工作原理

TAPPI standards are applied for standard testing practices. Edgewise compression strength is tested per T-472 using special fixturing. Tensile breaking strength per T-404 is performed by using a set of Screw or Pneumatic side action grips with appropriate faces.

應用範圍

  • Testing method: Tensile, compression, puncture 
  • Specimen type: Paper (dry and wet), corrugated board (dry and wet)

配件

Item NameTesting StandardsCat#
TAPPI T541 Internal Bond Strength of Paperboard. Z-Direction Tensile.TAPPI T541S1-11814

Chuck Style


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Chuck Style

Chuck Style Torsion Grips

These universal drill-type chuck grips can be used to hold round, hex or triangular specimens. The standard sets are available in both a keyless and keyed style that can hold a range of specimen sizes. 

Keyless operation lets you rapidly grip and release specimens. A comfortable, sure-grip sleeve allows you to hand-tighten the chucks. 

Keyed operation provides fast, easy tightening as well as quick, nonstick release.

工作原理

The Chuck Style grips are threaded into or bolted to the output shaft and/or torque cell of MT series frames. 

The chuck grips spin closed to clamp specimens during torsion testing. The jaws of these grips extend well beyond the chuck nose to accept a broad range of wires, cables, and cylindrical specimens. Both keyed and keyless chucks are available for gripping a variety of specimen diameters and include adapters for mounting to an MT series frame.

應用範圍

  • Types of Loading: torsion 
  • Specimen Material: various 
  • Specimen Types: round, hex, triangular

配件

Item Name Cat#
0.375 in Keyed Drill-Type Chuck Assembly W-MT01-B
0.375 in Keyless Drill-Type Chuck Assembly W-MT01

Axial-Torsion Wedge Grips


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Axial-Torsion Wedge Grips

Axial-Torsion Wedge Grips

The application of both axial and torsional forces simultaneously under fatigue conditions requires special grip design. These grips utilize a wedge-action gripping technique making them suitable for flat specimens as well as cylindrical.

工作原理

The major grip components are the grip driver, wedge grip head, grip attachment flange and jaw faces.

The grip driver applies the clamping force to the grip head by moving it relative to the jaw faces.This causes the the jaw faces to clamping the specimen. 

The grip drive also incorporates 3 sets of anti-rotation sliders that transfer any applied torque from the actuator to the grip and specimen. The jaw faces are either serrated or V-grooved to accommodate flat or cylindrical specimens.

應用範圍

  • Axial/Torsion tests on flat or cylindrical specimens

配件

Item Name Cat#
25kN / 100Nm Fatigue Rated Hydraulic Wedge Action Grips for 8874 Machine 8260C

8800 Series


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8800 Series
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8800 Series

8800 Series Digital Controller Strain Conditioners

In order to input the signal from an optional extensometer or other strain transducer, it is necessary to have a strain channel fitted to the 8800 controller.The strain channel provides excitation and signal conditioning for strain gauge and LVDT devices and can also accept high level 0-10V analog input signals.

Two versions are available, one for monitoring only and one for monitoring and control.Required for strain input to FastTrack 8800 controllers from optional strain measurement transducers

工作原理

The strain channel provides excitation and signal conditioning for strain gauge and LVDT devices and can also accept high level 0-10V analog input signals.

Two versions are available, one for monitoring only and one for monitoring and control.

應用範圍

In order to input the signal from an optional extensometer or other strain transducer, it is necessary to have a strain channel fitted to the 8800 controller.

配件

Item Name Cat#
Strain Conditioner - 8800MT Series (Control & Data Acquisition) 8800-621
Strain Conditioner for 8800MT Series (Data Acquisition only) 8800-622

Hydraulic Wedge Action Grips


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Hydraulic Wedge Action Grips

Hydraulic Wedge Action Grips

Hydraulic wedge action grips feature an open front design, which facilitates easy loading of large specimens. This series can accommodate round specimens up to 90 mm (3.54 in) in diameter and flat specimens up to 90 mm (3.54 in) thick with capacities ranging from 300kN (67,500 lbf) to 2000kN (450,000 lbf).

Specially suited for industrial environments where dust and metal chips may be present, these grips have protective dust covers that fit easily over the faces to shield the moving surfaces. Optional adapter plates furnish an efficient method for mounting secondary load strings for lower capacity testing or other fixturing without removing the larger grip. 

工作原理

These grips are hydraulically operated via a manually rotated knob on the front of the grip. The grip body does not move during closing or opening. Hydraulic supply is typically from the main machine frame via a grip sub-manifold. Jaws are separable inserts held in a jaw carrier which are easy to install with no need to re-grease when changing jaw faces. Grip bodies have grease fittings to allow easy re-greasing of the carrier when needed. W-5380 and W-5390 feature magnetic seating.

應用範圍

  • Type of loading: tension, *Not suitable for through-zero/ reverse stress or fatigue testing 
  • Specimen material: metals 
  • Specimen shapes: flat, round

配件

Item Name Cat#
Hydraulic Wedge Action Grips 2000kN (450,000 lbf) W-5320
Hydraulic Wedge Action Grips 600kN (135,000 lbf) W-5360
Hydraulic Wedge Action Grips 300kN (67,500 lbf) W-5245
Hydraulic Wedge Action Grips 1,500kN (337,500 lbf) W-5330
Hydraulic Wedge Action Grips 1,000kN (225,000 lbf) W-5340

裂縫開口位移(COD)量測器


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裂縫開口位移(COD)量測器
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裂縫開口位移(COD)量測器專為斷裂韌性測試（循環和靜態）而設計，符合 BS 7448、ASTM E399、ASTM E561、ASTM E1290、ASTM 1820、ISO 1820 和 ISO 12135 標準，方法是測量在施加負載下材料中裂縫開口的兩個介面之間的位移。此資料用於評估斷裂韌性和對裂縫開口擴展的抵抗力。

Crack Opening Displacement Gauge

Crack Opening Displacement Gauge
Crack Opening Displacement Gauge
Crack Opening Displacement Gauge

裂縫開口位移(COD)量測器
2670 Series
2670 Series 裂縫開口位移(COD)量測器與所有常見的樣本幾何形狀相容，包括 CT、SEB、中心 Crack 和弧形。每種型號都提供一流的線性度，同時又足夠堅固，能夠承受許多此類應用中常見的高能量釋放，並且可以在高溫和低於環境 Temperature 下使用（200°C 至 +200°C，-328°F 至 +392°F）。
這些量測器符合 ASTM E399-09 的要求：
Gauge length 最大行程 目錄編號
5 公釐（0.20 英吋） 2 公釐（0.08 英吋） 2670-130
10 公釐（0.39 英吋） 4 公釐（0.16 英吋） 2670-132

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食品測試夾具

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Instron 食品測試夾具涵蓋廣泛的行業標準測試方法，包括壓縮、穿刺、剪切和擠壓。各種砧座、探針、剪切夾具和擠壓夾具可用於研發、品質保證和製程控制測試。每個夾具均採用耐用、耐腐蝕的材料製造。所有夾具都可以安裝滴水盤，以幫助在評估潮濕或容易斷裂的食品的質地時保持測試區域清潔。

2830-005 Puncture Probes
2830-005 Puncture Probes 2830-005 Puncture Probes (Flat)

穿刺探針組
目錄編號 2830-005

一套九個圓柱形、平端探針，用於穿刺測試，包括一個櫻桃去核探針。這些探針由鍍鎳工具鋼製成，兼具強度和耐腐蝕性。

總長度 直徑 末端類型
152 mm (6 英吋) 1.59 mm (0.0625 英吋) 平
152 mm (6 英吋) 3.18 mm (0.125 英吋) 平
152 mm (6 英吋) 4.76 mm (0.1875 英吋) 平
152 mm (6 英吋) 6.35 mm (0.25 英吋) 平
152 mm (6 英吋) 7.94 mm (0.3125 英吋) 平
152 mm (6 英吋) 9.53 mm (0.375 英吋) 平
152 mm (6 英吋) 11.28 mm (0.444 英吋) 平
152 mm (6 英吋) 12.7 mm (0.5 英吋) 平
152 mm (6 英吋) 10.16 mm (0.4 英吋) 櫻桃去核器

更多資訊

2930-015 Magness-Taylor Probes Extension

Magness-Taylor 穿刺探針
目錄編號 2830-015

一套 Magness-Taylor 探針，用於水果和蔬菜的質地測試。該套件包括標準的 7.9 mm 和 11.1 mm 直徑探針，帶有半球形尖端。每個探針都有一個距離末端 8.8 mm (0.34 英吋) 的加工凹槽，用於指示穿透深度。

總長度 直徑 半徑 末端類型
125 mm (5 英吋) 7.9 mm (0.31 英吋) 4.95 mm (0.19 英吋) 圓形
125 mm (5 英吋) 11.1 mm (0.44 英吋) 8.8 mm (0.35 英吋) 圓形

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S5410A Ball-End Probe
S5410A Ball-End Probe

球頭探針
目錄編號 S5410A

一套五個球頭探針，由不鏽鋼製成，具有耐腐蝕性。

總長度 直徑 末端類型
150 mm (6 英吋) 2 mm (0.08 英吋) 球
150 mm (6 英吋) 4 mm (0.16 英吋) 球
150 mm (6 英吋) 6 mm (0.24 英吋) 球
150 mm (6 英吋) 8 mm (0.31 英吋) 球
150 mm (6 英吋) 10 mm (0.39 英吋) 球

更多資訊

Three Jaw Chuck
Three Jaw Chuck Three Jaw Chuck With Probe

三爪夾頭
目錄編號 2830-036

將探針安裝到荷重元需要一個三爪夾頭。夾頭可以夾持直徑達 13 mm 的探針柄。無鑰匙設計簡化了探針的安裝和更換。

Food Drip Tray Under Test
Food Drip Tray Under Test S5400A Food Fixture Drip Tray

食品夾具滴水盤

食品夾具滴水盤用於在測試潮濕或容易斷裂的食品時保持測試區域清潔。

描述 目錄編號
食品夾具滴水盤 S5400A
食品夾具支撐框架 S4427A
樣品支撐板套件；包括：

  1. 無孔板
  2. 帶有 15.9 mm (0.625 英吋) 直徑通孔的板，帶有 12.7 mm (0.5 英吋) 半徑碗形沉頭孔
  3. 帶有 22 mm (0.866 英吋) 直徑的板，逐漸變細為 15.9 mm (0.625 英吋) 孔
  4. 帶有 70 mm (2.8 英吋) 直徑的板，逐漸變細為 15.9 mm (0.625 英吋) 孔
 S5401A

聯絡我們以獲取更多資訊

Kramer Shear Cell
Kramer Shear Cell

其他食品測試夾具

Instron 提供一系列食品質地測試夾具，包括 Warner-Bratzler 肉類剪切夾具（目錄編號 S5406A）、五刀片 Kramer 剪切單元（目錄編號 S5403A）、後擠壓食品單元（目錄編號 S5405A）和壓縮砧座（目錄編號 S5402A）。我們的工程解決方案團隊還可以支援客製化夾具開發，以滿足特定的應用要求。

Elasticated Fabric

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Elasticated Fabric

Elasticated Fabric Grips

Fabric Loop Grips are used for tension and elongation testing of wide or narrow elastic fabrics. This test is performed with various types or combination of materials, and tested at a constant-rate-of-extension. Loop Tension at specified Elongation and Elongation at Specified Loop Tension are test procedures that require 3 cycles to bring the specimen under test to a specified point and returned to a zero value as described in ASTM D 4964.

Fabric Loop Tensile Grips

工作原理

These grips have a U-shaped body style, and are also referred to as Band Clamps. One edge of the U is attached to a connector that mounts to the moving crosshead and to the base of the testing machine. The other edge of the U has a 6.5 mm (0.25 in) diameter which makes contact with the specimen. The specimen is wrapped onto itself and sewn at the end with two rows using a single needle stitch, forming a loop. This loop is then inserted around both the upper and lower grip and made ready for testing.

應用範圍

配件

Item NameCat#
Fabric Loop Grips2717-080

Hydraulic Grip Controls


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Hydraulic Grip Controls

Hydraulic Grip Controls for 8800 Series

Hydraulic grip controls provide opening and closing control for hydraulic grips fitted to servohydraulic systems without the need for a free-standing pump. The configuration includes a handset, manifold with adjustable gripping pressure, and hoses for connecting the grips to the system’s hydraulic supply.

工作原理

The handset allows the upper and lower grips to be opened
and closed. Gripping pressure is set from a regulator on
the hydraulic manifold.

應用範圍

  • Hydraulic grips requiring operating pressures of up to
    207-bar (3,000 psi) 
  • Compatible with model 8801, 8802, 8803, 8804, 8871,
    8872, 8874, 8511, 8516 and 8502, 8503, 8504, 8505,
    8506 servohydraulic systems

配件

Item Name Cat#
Hydraulic Grip Controls for Servohydraulic Test Systems 2718-111

Loadframe Support Tables/Bases


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Loadframe Support Tables/Bases

Loadframe Support Tables/Bases

In order to provide an ergonomic height for the testing frames tables or bases can be purchased as an option. Floor model systems have a dedicated base which will widthstand the same ruggedness as the frame. The table models are inherently smaller in may be place on industrial tables. Instron provides a light duty and a heavy duty table.

工作原理

應用範圍

配件

Item Name Cat#
Load Frame Support Base/Extension 2910-064
Heavy Duty Support Table 2910-056
High Stiffness Support Table For ElectroPuls Test Instruments 1300-311 and 1300-315