Conti Synchroflex ATP10 GEN III 660

Conti Synchroflex ATP10 GEN III 660 – heavy-duty PU timing belt with even load distribution

The Conti Synchroflex ATP10 GEN III 660 is an endless, cast polyurethane timing belt with 66 teeth, 10 mm tooth pitch and a pitch length of 660 mm. It is intended for synchronous power transmission, where the driving and driven shafts must follow a fixed tooth ratio without the slippage known from friction-based belt drives. The pitch length is the nominal length measurement in the belt cord line and is therefore the measurement that must be compared with the existing belt, the machine's spare parts data and the installed timing belt pulleys. The GEN III version is the reinforced high-performance construction with red high-performance polyurethane and denser, two-filament steel cord. It should therefore be treated as a separate product series and not as the regular standard version.

Technical information for this timing belt

• Pitch length: 660 mm
• Number of teeth: 66
• Tooth profile: ATP10 GEN III
• Tooth pitch: 10 mm
• Material: cast polyurethane with steel cord
• Brand: Conti Synchroflex

The technical data below describes the part of the product that does not change when a different belt width is selected. Pitch length, tooth pitch and number of teeth remain identical for all width choices. However, the width affects the available belt cross-section width and the price calculated on the product page. Correct sizing must always take into account torque, speed, number of teeth in mesh, pulley diameters, service factor and any counter-bending.

Profile, tooth pitch and engagement

ATP10 combines 10 mm metric pitch with a split tooth shape developed for higher loads and smoother engagement. The larger active tooth surface and the more even force distribution are key differences compared to classic trapezoidal profiles. When replacing, the ATP10 designation must therefore be confirmed on the belt, drawing or machine documentation. An AT10 pulley should not be assumed to be compatible without technical documentation.

How the Conti Synchroflex belt is constructed

The belt body consists of wear-resistant polyurethane, which encloses high-strength steel cord. The materials each have their own function: PU forms the teeth and protects the belt against mechanical wear, while the cord tensioning elements provide high longitudinal stiffness and limit post-elongation. Continental describes the design as maintenance-friendly and lubrication-free. This does not mean that the drive can be ignored; pulleys, alignment and pretension should still be checked.

The construction behind this variant

The red GEN III construction is not just a color variant. It is developed with higher cord density and a special steel cord construction that provides increased tensile strength, better grooveing and the ability to carry higher loads. The catalog also specifies a temperature range up to +100 °C. Standard and GEN III must therefore be created and selected as separate products, even when the length and profile are the same.

Where is this profile used?

The profile series is used in practice for tasks such as machine tools, grinding machines, textile machines and power transmissions with high demands on the tooth load. Common to these machines is the need for a fixed transmission ratio and controlled tooth engagement. A timing belt can transmit both force and position, but the capacity cannot be assessed based on length alone. Width, profile version, wrap angle and load cycle are among the data that must be included in the selection.

Temperature, media and service

Continental specifies a temperature range of up to +100 °C for the GEN III series. When operating close to the temperature limits, the drive must still be dimensioned according to the specific load and environmental conditions. The timing belt operates without lubrication, and oil or grease should therefore not be added to dampen noise. The polyurethane is described as resistant to aging as well as simple oils, grease and petrol and to certain acids and bases. In the case of permanent contact, cleaning chemicals or unknown media, material compatibility should be specifically clarified.

Width selection and price calculation

The basic price applies to 16 mm, and the other widths are calculated with the same percentage logic as the existing PU timing belts in the webshop. Integer widths from 16 to 50 mm can be selected on this product page. A width of twice the basic width therefore costs 100% more, while a width of one and a half times the basic width gives approximately a 50% surcharge. This price rule is a webshop calculation; it does not replace a technical dimensioning of the belt's load-bearing capacity.

Disc geometry and tooth engagement

The tooth profile of the timing belt pulleys must correspond to the belt ATP10 GEN III, and their pitch must be 10 mm. The transmission ratio is determined by the ratio of the number of teeth of the pulleys, not by the width of the belt. A larger pulley usually reduces the bending load, while a very small pulley gives more bending per revolution. The angle of engagement and the number of teeth in mesh must be sufficient for the current load.

Practical advice for installation

When installing, the cord pullers must be protected against kinks and local pressure damage. The belt must not be pinched with pliers or a screwdriver, and it should not be folded sharply. Check that the pulleys have the same pitch and profile as the belt and that they are not worn out. A stable drive is achieved through the right combination of alignment, wrapping and calculated pretension.

Checking teeth, back and edges

Uniform light polishing of the tooth flanks may be normal, but localised spalling, ctiming baring or severe wear should be investigated. Wear on one edge often indicates misalignment or persistent flange contact. Damage to tooth tips may be due to incorrect profile, foreign bodies or inadequate engagement. If cord becomes visible or the belt has a sharp break, it should not continue in service without assessment.

Before ordering a replacement

The 66 teeth of the product provide a convenient length check. Multiplying the number of teeth by 10 mm gives a pitch length of 660 mm. If an existing belt has a different number of teeth, it is not the same size, even though it may look almost the same length. Also check that the teeth of the pulleys match the ATP10 GEN III; the same pitch number alone is not always sufficient.

Technical questions about the product

Conti Synchroflex ATP10 GEN III 660: what does the pitch length of 660 mm mean?

The pitch length is the nominal length measured in the belt cord line where the steel cord tension members are located. It is not the same as a random outside circumference measurement. For this belt, 660 mm pitch length corresponds to 66 teeth with a 10 mm tooth pitch.

Conti Synchroflex ATP10 GEN III 660: can the belt be installed by pressing it over the pulley flange?

This should be avoided. The belt should be installed by adjusting the center distance or following the correct installation procedure for the machine. Forcing it over a flange can damage the cord pullers, teeth or belt edge. After installation, the pulleys must be parallel and the pretension must be correct.

Conti Synchroflex ATP10 GEN III 660: when should the timing belt pulleys be replaced?

Pulleys should be evaluated if the tooth grooves are worn, sharp, crooked or damaged. A new belt on worn pulleys may have poor load distribution and short life. Also check flanges for bars and side contact and the grooves for foreign objects.

Conti Synchroflex ATP10 GEN III 660: why is the number of teeth important for spare parts?

The number of teeth links the pitch of the profile to the nominal length of the belt. For this size, 66 teeth at 10 mm pitch gives a length of 660 mm. It is a simple check that often reveals faults that are not visible by a quick comparison of two loose belts.

Conti Synchroflex ATP10 GEN III 660: how best to store a spare timing belt?

Store the belt in a dry, clean place away from direct sunlight, ozone, strong heat or chemical fumes. It should be free from sharp bends and without heavy loads on top. Avoid hanging a small belt over a sharp hook as this can cause local deformation.

Conti Synchroflex ATP10 GEN III 660: does this PU timing belt need to be lubricated?

No. The timing belt is designed for lubrication-free operation. Oil or grease should not be added to reduce noise as this may mask an alignment, pretension or worn pulley problem. Instead, keep the tooth mesh clean and check the cause of any abnormal noise.

How many teeth does the Conti Synchroflex ATP10 GEN III 660 have?

The belt has 66 teeth. The number of teeth is calculated by dividing the pitch length of 660 mm by the tooth pitch of 10 mm. The result is 66, and this number can be used as an additional check when identifying an existing belt. A different number of teeth means a different pitch length.

Summary

Conti Synchroflex ATP10 GEN III 660 is the correct size when the drive requires ATP10 GEN III, 660 mm pitch length and 66 teeth. The belt is cast endless in PU with steel cord and must be used with timing belt pulleys that match the profile. Select width according to the technical load and always check design, alignment and pretension before commissioning.