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M.E.C. SYNCHRONOUS TIMING BELT® HTD®
for industrial transmission
Discount Ref. 11 Group D
HTD® MEANS HIGH TORQUE DRIVE
The synchronous HTD® belts are characterised by a new profile (rounded notched) which
make it possible to transmit more power with the same pitch as traditional synchronous
notched belts. To this the following advantages are added:
Reduction of noise and interference, increased resistance against notched being skipped
and shearing stress, precise angular transmission and constant speed up to 50 mt/sec. , low
tensioning, excellent reliability, compact dimensions and moderate maintenance.
M.E.C. SYNCHRONOUS TIMING BELT® STD®
for industrial transmission
STD® MEANS HIGH TORQUE DRIVE
In addition to the advantage above indicated for HTD® belts the following advantages are
added:
a) longer life thanks to the new profile edge and to a higher quality of the material
used for the belt manufacture.
b) Temperature resistance between –40° and 100°C, resistance to atmospheric
agents and moderately to the oil
c) No noise
d) Moderate maintenance
e) These belts permit the synchrony transmission, made in the past by means of
chain , and therefore high power transmission with low revolution number.
Classification of M.E.C. TIMING BELT® HTD® and STD®
M.E.C. TIMING BELT® HTD® and STD® , identified by commercial names, are available in the following pitch diameters
and standard widths.
Pitch
code
Commercial
name
Pitch
mm
Notch thickness
mm
Tot.
thickness
mm
Standard
Widths
mm
5
6
7
3
8
9
3 M
5 M
8 M
8 MS
14 M
20 M
3
5
8
8
14
20
1,2
2,1
3,3
3
6,1
9
2,4
3,6
5,6
5,3
10
13,2
6-9-15
9-15-25
20-30-50-85
20-30-50-85
40-55-85-115-170
115-170-230-290-340
Identification of M.E.C. TIMING BELT® HTD® and STD® belts
M.E.C. TIMING BELT® HTD® belts are identified by their pitch length in mm , pitch diameter in mm, and width in mm.
Example:
A belt with a pitch length of 960 mm, pitch diameter of 8 mm and a width of 50 mm is described as follows :
960 8M 50
