Catalog excerpts
Product Catalogue Cam Indexing Table HANSHENG AUTOMATION (DONGGUAN) CO., LTD. www.hansmat.com
Open the catalog to page 1Order Code--------------------------------------------------------------------- How to Keep Precision---------------------------------------------------------- 10 Examples and Calculation------------------------------------------------------ DE Flange Shaft Model ----------------------------------------------------- DA Ultra-thin Table Model ------------------------------------------------- DSU Flange Lifting Model ------------------------------------------------- DFN Flange Shaft Lifting Model ------------------------------------------
Open the catalog to page 2Mechanism Principle Output Shaft Turret Roller Gear Cam Globoidal Cam Tapered Rib Input Shaft Mechanism Principle Terms and Definition 1. Indexing Cam A cam in which a groove is cut into the surface of a drum-shaped solid body and fixed to the input shaft. 2. Tapered Rid The tapered rib is located on the circumference of the globoidal cam, between the cam grooves, coming into linear contact with the circumference of the cam follower. 3. Cam follower: This precision-designed cam follower use a needle bearing developed by Hansheng and designed to withstand heavy loads. 4. Turret Attached to...
Open the catalog to page 3There are countless curves connecting two points in space. This is also true of the motion diagrams used for index drives, where there are innumerable curves connecting the starting point with the ending point. However, when designing a motion in indexing, it is necessary to use a curves as smooth as possible. To this end, vibration, noise and rigidity of materials should be taken into account. Also load and speed should be considered. After all factors are taken into consideration, curves emphasizing the characteristics of the speed, acceleration and jerk are usually used. Acceleration,...
Open the catalog to page 4If Vm is large, a great force will be exerted at the time of a sudden stop so a smaller Vm is usually preferred. Particularly if a load is heavy, it is necessary to select a curve with a smaller Vm. In addition, Vm is closely related to the size of a cam. Therefore, the size of a cam should be reduced accordingly if the curve has a small Vm. Also, Vm never becomes smaller than 1. In the case of a cam with a curve with a large Am, the maximum allowable load becomes small. So when it is driven at a high speed, it is necessary to select a curve with a small Am. In this case,, the Am is never...
Open the catalog to page 5Overview Indexing Drives/Oscillating Drives/Roller Drives Indexing Drives • The indexing drives operate intermittently as follows: Dwell→AE Index→AE Dwell→AE Index. • Dwell: Output shaft stops rotating and cam follower touches the straight part of taper rib of roller gear cam. • Index: Output shaft rotates and cam follower touches the curve part of taper rib of roller gear cam. • Usually, the indexing drives dwells for a moment after input shaft rotates once and then output shaft indexes once. • After output shaft rotates, the indexing drives dwell. At this moment, the operators can decide...
Open the catalog to page 6Oscilate Handler/Index Handler/Parts Handler Oscilate Handler • When oscillating drives are in operation, the rotary input shaft with equal speed shall make the output shaft rotate forward and backward and lift in two dimensions. • The output shaft can be set to stop at the central point of rotation path while oscillating. The rotary angle degree and lifting capacity can be also set. • Oscillate handler, applying stereoscopic cams, can provide correct timing. Overlap of rotating and lifting and timing can be set. • The oscillate handler can make a transportation from conveyor to operation...
Open the catalog to page 7Model Selection Calculation Symbol and Its Meanings g : Gravity acceleration (m﹒s-2) a4: Backlash Factor Am:Max. non-dimensional acceleration Ps : Peak motor power I : Polar moment of inertia (kgf﹒m﹒s2) K : Radius of gyration (m) K e : Equivalent radius of gyration for output shaft (m) L f : Lift factor L h : Expected life (hr) M : Mass (kg) C : Acceleration coefficient (C≧1) D : Diameter of gyration (m) E : Energy of gyrator (kgf﹒m﹒rpm2) Eo : Energy of gyrator (kgf﹒m﹒rad2) Ee : Energy of a body for linear motion (kgf﹒m﹒s-2) N o : Initial cam shaft speed (rpm) Pa : Average motor power (kw)...
Open the catalog to page 8Assembly Notices Selection of Models Overload Protection Unit Each unit has its own limitations of torque load. Calculate the torque load with the formula in our catalog and choose the most suitable model. If you have any question on choosing machine models, please contact us To avoid accident and unit damage, it is necessary to install the overload protection unit. Please set the torque of the unit to a proper value and install the unit in the back of the output shaft. Installing Input Shaft and Output Shaft Fixing Method Fixing methods for the driven units, such as coupling, pulley,...
Open the catalog to page 9Lubrication & Maintenance Maintenance Lubrication & Maintenance It is very important to pay special attention to the lubricant oil because an incorrect selection can deteriorate the accuracy and shorten the life of precision index drives. The additives to the lubricant oil are made up of various chemical compounds and their contents differ from maker to maker, so avoid mixing of different kinds even if they are designated for the same usage Table 4. Viscosity of Lubrication Cam Shaft Speed N(rpm) Viscosity cst/40X Note 1. In the case where the speed of input shaft is not fixed, obtain the...
Open the catalog to page 10To Maintain the Accuracy Factor The Size of Table Table 6. Maximum Diameter(mm) for the General Tables To install a table on the output shaft, the size of table shall be based on the permitted output torque load for the Torque Te. While high precision is required, the Torque Te shall be 2-3 times larger than the permitted output torque load; therefore, the twist of the output shaft needs to be reduced. The table’s maximum diameter shall be 5 times less than the nominal dimension. Index Precision Hansheng index precision is dedicated by angle and guaranteed to be ±30” for general grade and...
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