Optimal Purchasing Guide: Catch on the Difference between Single Rotary and Double Rotary Compression Machine

Pills compression machine plays a fundamental role in pharmaceutical industries. We all want a tablet compression machine that guarantees optimal performance with minimal downtime, exhibits the highest level of consistency, accuracy and safe to operate. You can only get such a tableting machine if you have an in-depth knowledge of difference between diverse structured machines. Following will illustrate an elaborate explanation on it.

Above all, you need to know double rotary tablet press is quite different from single rotary tablet compression machine. Former one is attached with two sets of feeding system as well as two discharging chutes. Each station of punch tooling completes twice filling, pressing and ejecting in every revolution of rotary table, during which we could get double pills(pills = stations of punch tooling *2), which means Double Rotary gives Double Output.

double rotary compression machine, rotary tablet press


From the statement mentioned above, you may know the notable distinction between single and the double rotary tablet press is that the latter one has double output because of its two sets of discharging chutes and feeding system.


It is worth mentioning that double rotary pill press adopts two sets of pressure rollers to realize pre-compression and main compression. Pre-compression is to exclude out the air of powder materials, which creates a good environment for main compression, and thus reduces the possibility of defective pills (lamination, capping) and guarantees making compacted pills. Pre-compression and main compression from up and down successively made on the granules more largely improve the quality of pills than simple rotary pill press with main compression rollers only. What’s more, double rotary tablet press generally adopts MMI PLC on the front control panel. The buttons and knobs on the panel are used to adjust tablet thickness, filling volume and for other safety operation. With improved automatic performance, this kind of machine largely reduces the occurrence of mal-functions. Control and set the parameters by front control panel.

punch and dies, die punch, punch and die set, tooling

After the comparison of single rotary and double rotary compression machine, we can find that the latter is superior to the single rotary compression machine in terms of the output. And you can select the suitable machine in comprehensive consideration of cost and yield requirements.



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