HL-CBD300/450/750C Series C Type Pneumatic Impact Testing Machine

1. Introduction
HUALONG HL-CBD Series Pendulum Impact Testing Machine meet the growing demand for accurate and repeatable impact testing of metallic materials in accordance with ASTM and ISO specifications. They are EN 10045-2 ‘CHARPY impact test on metallic materials’ – Method for the verification of impact testing machines and ASTM E 23, ‘Standard test methods for notched bar impact testing of metallic materials’. As a general guideline, in North America, most users prefer verifications to the ASTM E 23 method while Europe generally require EN 10045-2 verifications. The CBD system provides a rigid, integrated assembly offering maximum mechanical performance in order to attain true pendulum impact test specimen energy for metallic materials.
Incorporates a rigid, compound pendulum mounted on a reduced friction shaft assembly and a solid, vibrationfree base. The pendulum is of one-piece construction, designed with a bifurcated support member and an accurate pendulum geometry. The rigidity of the system prevents excessive elastic energy losses and reduces
excessive vibration mode bending effects.

2. Standards:
ISO 148-1 -Metallic materials - CHARPY pendulum impact test.
JIS Z 2242 -Method for CHARPY pendulum impact test of metallic materials.
EN 10045-1 -Metallic materials-CHARPY impact test.
ASTM E23 (CHARPY) -Standard test method for notched bar impact testing of metallic materials.

3. Specification:

Type

Type C

Model

HL-CBD300C

HL-CBD450C

HL-CBD750C

Max. impact energy

J

300

450

750

Optional pendulum

J

150

150,300

300J, 450J

Pendulum moment 150J

Nm

80.3848

Pendulum moment 300J

Nm

150.7695

Pendulum moment 450J

Nm

241.1543

Pendulum moment 600J

Nm

321.5390

Pendulum moment 750J

Nm

401.9238

Distance from support axis to percussion center

mm

750

Impact speed

m/s

5.24

Angle resolution

°

0.025

Striking angle

°

150±1

Round angle of the jaw

mm

R1-1.5

Support span

mm

40

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Type		Type C
Model		HL-CBD300C	HL-CBD450C	HL-CBD750C
Max. impact energy	J	300	450	750
Optional pendulum	J	150	150,300	300J, 450J
Pendulum moment 150J	Nm	80.3848
Pendulum moment 300J	Nm	150.7695
Pendulum moment 450J	Nm	241.1543
Pendulum moment 600J	Nm	321.5390
Pendulum moment 750J	Nm	401.9238
Distance from support axis to percussion center	mm	750
Impact speed	m/s	5.24
Angle resolution	°	0.025
Striking angle	°	150±1
Round angle of the jaw	mm	R1-1.5
Support span	mm	40