Actually,the peanut butter grinding machine is requires manual force during the peanut butter making process. So you can also call it as manual peanut butter making machine.  Peanut butter  making machine has two different tape for making process. The one is peanut butter making production line, the other is peanut butter making machine. Firstly, if you have a big factory about food processing, you can try to buy a peanut butter production line, this production can help you make more high quality peanut butter for sale. There will certainly that if you make more investment in right place, you will get more return. If you business is on the beginning, and you also want to do some business about peanut butter making, you can choose the peanut butter making machine. Because this machine can help you to make small capacity peanut butter in your family or little peanut butter making store. But this machine need you have some people to help you complete this process. So this machine also is not fully automatic machine, but more cheapper than the automatic peanut butter making production line. 
Just knowing want you really need and choosing what is really suitable for you in peanut butter making process. Try to avoid making wrong judgments, do a successful businessman.