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Difference between Shaper, Planer, and Slotter (With PDF)

Hello guys, in today’s article I will state the difference between Shaper, Planer, and Slotter machine, also you will get a PDF downloadable link at the bottom of this article.

You probably know about these machines, if you need to recap your knowledge on these machines you can check these articles:

Shaper Machine: Construction, Working, and types written by me. Or you can check this resource from NPTEL on these machines.

Although let me introduce these machines.

Shaper Machine:

Next to Lathe and Milling machines, the Shaper machine is one of the reciprocating types of machine.

The shaping machine is compact, easy to use.

The tool used in this machine is called a single-point cutting tool.

In this machine, either a tool or job reciprocates, while the other tool or job gives intermittent linear feed during machining.

Shaping machine is suitable for machining of small jobs, generally up to 900mm size cubical block.

This machine can create a flat surface on both horizontal, vertical, angular, and contoured surfaces.

shaper machine
Schematic Diagram of Shaper Machine

Planer Machine:

The planer machine is also a reciprocating type of machine tool like a shaper.

The table has T-slots for mounting the workpiece, and also provide with guideways so that we can move the work-piece accordingly.

In the planer machine generally, the tool is in the fixed position, we have to move the workpiece for machining different surfaces.

The planer machine is suitable for big castings, heavy forging, etc.

 Schematic Diagram of Planer Machine
Schematic Diagram of Planer Machine

Slotter Machine:

A slotting machine is similar to a vertical shaper machine.

The ram carries the slotting tool, reciprocates over the job.

This machine is used for producing slots, flat, contour surfaces, keyholes, internal grooves, etc.

Schematic Diagram of slotting Machine
Schematic Diagram of Slotter machine

Now talk about the differences between the Shaper machine, Planner machine, and Slotter machine.

Differences between the Shaper Machine, Planner Machine, and Slotter Machine:

This is lighter, smaller and cheaper. These are heavier, larger and costlier. lighter, Smaller and Cheaper same like shaper machines.
Low machining accuracy. High machining accuracy. Low machining accuracy.
The rate of power consumption is low. Power consumption is High. Same as a shaper, The rate of power consumption is low.
Not possible to make deep cuts and heavy feeds. Possible to make deecuts and heavy feeds. In Slotter, Not Possible to take deep cuts and heavy feeds.
Intended for small Jobs. This is intended for large Jobs. This is intended for small Jobs.
It Requires Less Floor Space. It Requires Large Floor Space. Whereas It Requires Less Floor Space.
In Shaper, The tool is moving and work is Stationary. The tool is Stationary and work is moving. Same as shaper, The tool is moving and work is Stationary.
Usually, only one tool is used on a shaper. Multiple tooling permits machining of more than one surface at a time. Only one tool is used for machining.
Tools used are Lighter and Smaller. Heavier, Stronger and Larger. Tools used are Lighter and Smaller.
Work Setting requires less Skill and less time. Requires more skill and more time. Work Setting requires less Skill and less time.


Today we learned about the Difference Between the shaper, planner, and slotter machine. I hope you understand the basic differences between these machines, and what are the conditions of using these machines.

Let me know in the comment section if you have any doubts.

Or we have a dedicated discussion board for you where you directly post your question: Click here to post your question, and also you can join our facebook group. I will love to hear from you and glad to help you. Till then enjoy rest your day. Cheers

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Amrit Kumar

Amrit Kumar is the founder of Learn Mechanical, an Advisor at The Mechanical Engineering- a content-based website in Mechanical Engineering based in Delhi. He has 5+ years of teaching experience in the Core Mechanical Field.

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