Company Profile


Spintop Machinery has commenced production of the NC rotary table in year 1996 in cooperation with
Industrial Technology Research Institute (ITRI) for related products and components; to begin with. With
decades of experience behind us in the eld of NC rotary table, we have developed several models of NC
rotary table and the NC Indexing Table and we have received high appreciation from the industry and
our valued customers.
In year 2005, we put our dual-axis NC rotary table (commonly known as 4-Axis, 5-Axis) in our production
program and sold products around the world and gained a remarkably good response. Five-Axis
machining has almost become a trend by then. The advanced countries have adopted Five-axis
machining in order to reduce machining time and higher process accuracy (Simultaneously multi-angle
processing) thus improving overall efficiency by installing Dual-Axis NC Rotary Table in the existing
three-axis CNC machine.
Direct Drive (DD) motor or torque motor, will be the trend in the mechanical transmission for the future.
It has advantage of high-speed, high-accuracy, no backlash etc. For this reason, in 2008, we have been
actively involved in developing the rotary table with direct drive motor for 4-axis or 5-axis CNC machine.
This research and development we could achieve with the able cooperation and support from PMC and
could able to showcase the dual-axis NC rotary table in the Taipei International Machine Tool Show 2009
(TIMTOS 2009). This NC rotary table adopted direct drive motor and encoder, procured from Europe and
integrated with Heidenhain controller. By incorporating appropriate cooling circuit it was possible to
extract the max. Torque output from the DD motor torque characteristics.
Recently in the market, NC rotary table with DD motors are incorporated with existing controller
available for the 4th-axis or 5th-axis on the machine. However, DD servomotors required high precision
control system, so it becomes essential to get incorporate the higher level of controller such as
HEIDENHAIN, Siemens, Fanuc 31iM and Mitsubishi M70 for the machine which in turn will increase the
overall costs. Due to this reason, SPINTOP developed a model of external CNC controller that could be
interfaced with the original controller or low-level CNC controller to meet the requirement of DD motor
as well keep the cost reasonably low.
This type of controller can control the DD motor to rotate any angle with mi. increment of 0.001° with the
help of midrange encoder. According to the requirement of accuracy from a customer such as ±5 sec,
±15 sec and ±30 sec we choose to use multi-angle or multi-surface processing.
Due to this the DD motor have characteristics of high speed, zero backlash and ability to adapt a normal
encoder we can offer a NC Rotary Table of stable performance with reduced fault or error. It is easy to
interface and integrate DD motor NC Rotary table with in the existing machine with the help of spare M
code available.
CONTACT US +886-4-25682975
Industrial Technology Research Institute (ITRI) for related products and components; to begin with. With
decades of experience behind us in the eld of NC rotary table, we have developed several models of NC
rotary table and the NC Indexing Table and we have received high appreciation from the industry and
our valued customers.
In year 2005, we put our dual-axis NC rotary table (commonly known as 4-Axis, 5-Axis) in our production
program and sold products around the world and gained a remarkably good response. Five-Axis
machining has almost become a trend by then. The advanced countries have adopted Five-axis
machining in order to reduce machining time and higher process accuracy (Simultaneously multi-angle
processing) thus improving overall efficiency by installing Dual-Axis NC Rotary Table in the existing
three-axis CNC machine.
Direct Drive (DD) motor or torque motor, will be the trend in the mechanical transmission for the future.
It has advantage of high-speed, high-accuracy, no backlash etc. For this reason, in 2008, we have been
actively involved in developing the rotary table with direct drive motor for 4-axis or 5-axis CNC machine.
This research and development we could achieve with the able cooperation and support from PMC and
could able to showcase the dual-axis NC rotary table in the Taipei International Machine Tool Show 2009
(TIMTOS 2009). This NC rotary table adopted direct drive motor and encoder, procured from Europe and
integrated with Heidenhain controller. By incorporating appropriate cooling circuit it was possible to
extract the max. Torque output from the DD motor torque characteristics.
Recently in the market, NC rotary table with DD motors are incorporated with existing controller
available for the 4th-axis or 5th-axis on the machine. However, DD servomotors required high precision
control system, so it becomes essential to get incorporate the higher level of controller such as
HEIDENHAIN, Siemens, Fanuc 31iM and Mitsubishi M70 for the machine which in turn will increase the
overall costs. Due to this reason, SPINTOP developed a model of external CNC controller that could be
interfaced with the original controller or low-level CNC controller to meet the requirement of DD motor
as well keep the cost reasonably low.
This type of controller can control the DD motor to rotate any angle with mi. increment of 0.001° with the
help of midrange encoder. According to the requirement of accuracy from a customer such as ±5 sec,
±15 sec and ±30 sec we choose to use multi-angle or multi-surface processing.
Due to this the DD motor have characteristics of high speed, zero backlash and ability to adapt a normal
encoder we can offer a NC Rotary Table of stable performance with reduced fault or error. It is easy to
interface and integrate DD motor NC Rotary table with in the existing machine with the help of spare M
code available.

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