266S Cylindrical Mandrel Bend Tester

The ERICHSEN 266 S Cylindrical Mandrel Bend Tester uses the standard method for testing the flexibility and adhesion of a coating under bending stress. Its base is made of painted steel; the instrument is compact, sturdy and suited to bench use.

It comes as standard with 14 cylindrical mandrels of different diameters (2–32 mm; the 2, 3 and 4 mm mandrels are made from steel sheet) for the user to choose from. The three rotating pressure rollers, parallel to the mandrel axis, are made of rigid PVC: very sturdy, durable and light. The whole instrument is supplied in a strong plastic case.

Compared with the earlier Model 266, the test width has increased from 45 mm to 100 mm, giving a larger area for inspecting results and more accurate tests.

Technical data
Dimensions: 350 × 170 × 115 mm (L × W × H)

Net weight: main unit approx. 6 kg, mandrels approx. 3 kg

Panel thickness: 0.3 mm or 1 mm (1 mm panels can only be tested on the 2, 3 and 4 mm mandrels)

Panel width: panels up to 100 mm wide

Mandrels: 2 / 3 / 4 / 5 / 6 / 8 / 10 / 12 / 13 / 16 / 19 / 20 / 25 / 32 mm

Cylindrical Mandrel Bend Tester

EN ISO / EN / ASTM D

Product overview

The ERICHSEN 266 S Cylindrical Mandrel Bend Tester uses the standard method for testing the flexibility and adhesion of a coating under bending stress. Its base is made of painted steel; the instrument is compact, sturdy and suited to bench use.

It comes as standard with 14 cylindrical mandrels of different diameters (2–32 mm; the 2, 3 and 4 mm mandrels are made from steel sheet) for the user to choose from. The three rotating pressure rollers, parallel to the mandrel axis, are made of rigid PVC: very sturdy, durable and light. The whole instrument is supplied in a strong plastic case.

Compared with the earlier Model 266, the test width has increased from 45 mm to 100 mm, giving a larger area for inspecting results and more accurate tests.

Applications

The ERICHSEN 266 S is mainly used to determine the bending resistance (flexibility and adhesion) of paints and coatings applied to metal panels.

Standards:

EN ISO 1519

EN 13523-7

ASTM D 522

Test principle

The 266 S relies on the fact that metals (mainly steel) withstand bending better than coatings. After the coating has been applied to a metal panel and cured, the panel is bent to find the largest mandrel diameter at which the coating cracks or breaks.

Test procedure:

v  Return the bending handle to its start position (to the left, as shown); this opens the mandrel slot.

v  Place the required mandrel in the slot (for QC tests there will be a specified size, for example whether the coating cracks over a 10 mm mandrel).

v  Adjust the panel holder to the right position (loosen the locking screw to slide it back and forth; it is usually moved directly below the mandrel, with the exact position depending on panel thickness), then loosen the panel clamp.

v  Insert the test panel between the rollers and the mandrel into the clamp; lock it in place, adjusting it so that it sits tight against the mandrel.

v  Adjust the bending handle towards the panel (turn the handle to move it closer to or away from the panel).

v  To test, hold the grip firmly with your left hand and pull the bending handle up with your right until it reaches its stop on the right-hand side. This bends the panel round the chosen mandrel. Bend in one smooth movement taking about 1–2 seconds.

Technical data
Dimensions: 350 × 170 × 115 mm (L × W × H)

Net weight: main unit approx. 6 kg, mandrels approx. 3 kg

Panel thickness: 0.3 mm or 1 mm (1 mm panels can only be tested on the 2, 3 and 4 mm mandrels)

Panel width: panels up to 100 mm wide

Mandrels: 2 / 3 / 4 / 5 / 6 / 8 / 10 / 12 / 13 / 16 / 19 / 20 / 25 / 32 mm

Ordering guide

Sinotime Industrial Ltd

Address: 12/F, Ho Fu Commercial Building, 105 Thomson Road, Wan Chai, Hong Kong

Tel: (852) 2574 7916

Fax: (852) 2572 9625

Email: sales@sinotime-industrial.com

Web: http://www.aa-sti.com

Shenzhen office

Address: Unit D, 16/F, Donghai Building, 71 Dongmen South Road, Luohu District, Shenzhen (518001)

Tel: (0755) 8225 2900 / 8217 4618

Fax: (0755) 8217 2027

Email: sales-sz@sinotime-industrial.com

Shanghai office

Address: Room 1001, No. 5, Lane 511, Jin'an East Road, Pudong New Area, Shanghai (201204)

Tel: (021) 5045 9808 / 5059 0354

Fax: (021) 5045 9807

Email: sales-sh@sinotime-industrial.com

Beijing office

Address: Room 103, Xingyuan Office Building, 19 Baosheng Xili, Haidian District, Beijing (100192)

Tel: (010) 6060 6373

Fax: (010) 6060 6373

Email: sales-bj@sinotime-industrial.com