BELT; TYPE: TRAPEZOIDAL; DEVELOPMENT: 1989 MM; WIDTH: 13MM; THICKNESS: 8MM; DIMENSIONS AND PROFILE ACCORDING TO DIN 2215, ISO 4183, ISO 4184 FOR INDUSTRIAL TRANSMISSIONS OF ”A” SECTION, CLASSIFICATION, DESIGNATION AND DIMENSIONS ACCORDING TO IRAM 113113. UPON RECEPTION THE: 1- PRIMITIVE DIAMETER ACCORDING TO IRAM WILL BE VERIFIED 113110. 2- ANGLE ACCORDING TO IRAM 113115. 3-DIMENSIONS OF THE CROSS SECTION ACCORDING TO IRAM 113116. EACH BELT MUST INDICATE ON ITS EXTERIOR PART IN AN EGIBLE AND INDELABLE CHARACTER THE FOLLOWING INDICATIONS: A- COMPANY NAME OF THE SUPPLIER AND BRAND REGISTERED FROM THE MANUFACTURER. B- PRIMITIVE LENGTH EXPRESSED IN MILLIMETERS, THE LETTER THAT IDENTIFIES ITS CROSS SECTION, THE PRIMITIVE LENGTH IN INCHES.; MANUFACTURER 1: OPTIBELT; N-PART 1: A-77; MANUFACTURER 2: GOODYEAR; N-PART 2: A-77; MANUFACTURER 3: GATES; N-PART 3: A-77

The impact of the 4D printer on the international market
The most obvious advantage of 4D printing is that objects larger than printers can be printed as just one part. Because they can shrink and unfold, items that are too large to fit in a printer can be compressed and then become full size.