CNC rotary tables are essential tools in modern machining that help improve precision, save time, and boost productivity. Yet, many people across the Indian manufacturing sector still carry outdated ideas or incorrect assumptions about them.
Whether you’re running a small workshop, an MSME unit, or a large-scale factory, understanding the truth about CNC rotary tables can help you make better investments and achieve higher efficiency.
Let’s clear the air and bust the 14 most common myths about CNC rotary tables.
- Rotary Tables Are Only Meant for Complicated Components
Truth: While they are excellent for complex machining, rotary tables also simplify basic operations like drilling, facing, and milling on multiple sides. Even regular parts benefit from improved accuracy and reduced handling.
- They Cannot Be Fitted on Old CNC Machines
Truth: Most rotary tables available today can be retrofitted onto existing VMCs or HMCs, including older models. With proper servo interface or controller integration, it’s easier than you think.
- Only Big Companies Can Afford Them
Truth: Rotary tables are now available in various price ranges. Even smaller units can invest in entry-level models or semi-automatic versions to improve cycle time and reduce rework.
- Rotary Tables Are Too Costly for Small Setups
Truth: Yes, it’s an investment — but the returns in terms of time saved, quality improvement, and production output make it worthwhile. Many Indian MSMEs are already using them to stay competitive.
- They Slow Down Production
Truth: A properly installed rotary table actually increases production speed. It eliminates multiple setups and helps finish jobs in fewer cycles — reducing downtime and operator intervention.
- Manual Clamping Wastes Time
Truth: New-age rotary tables offer hydraulic or pneumatic clamping, and even the manual ones are designed for quick setup. Compared to doing multiple fixture changes, they save a lot of time.
- They Are Not Precise Enough
Truth: High-quality rotary tables come with excellent repeatability and positioning accuracy. Some models offer precision within seconds of arc, ideal for high-tolerance machining jobs.
- One Setup Works for All Jobs
Truth: While rotary tables minimise re-clamping, each component has its own machining requirement. You still need proper fixture planning and programming for best results.
- Programming a Rotary Table is Complicated
Truth: With today’s CAM software and user-friendly controllers, programming rotary axes has become much easier. Once set up, operators get used to it very quickly.
- Only Round or Cylindrical Parts Need Rotary Tables
Truth: Apart from round parts, rotary tables are useful for box-type components, multi-face machining, angular drilling, and even contour milling. Their applications are much broader than people assume.
- All Rotary Tables Work the Same Way
Truth: There are different types – like 4th axis rotary tables, tilting rotary tables, indexing rotary tables, and full rotary production systems. Each serves a specific machining need.
- Rotary Tables Require Frequent Maintenance
Truth: Modern rotary tables are low-maintenance. With regular lubrication and basic checks, they deliver consistent performance for years. In fact, most failures occur due to lack of routine care, not design flaws.
- They Consume a Lot of Power
Truth: Most rotary tables run on servo motors and consume very little power compared to other machine tool accessories. Their energy usage is balanced by the productivity gain they offer.
- They Are Not Suitable for Mass Production
Truth: Indexing rotary tables and rotary production assemblies are specifically designed for high-volume, continuous production. They’re used in automotive, electronics, and defence industries across India.
Final Thoughts
CNC rotary tables are no longer a luxury – they are a necessity in today’s competitive machining environment. By understanding the real advantages and busting these common myths, Indian manufacturers can unlock new levels of productivity and profitability.
If you’re looking to upgrade your CNC setup or need expert guidance in selecting the right rotary table for your needs, connect with Kuvam Technologies today.
📧 Email us at: marketing@kuvamtechnologies.com
📞 Call us at: +91 9560500384
