CNC Boring Milling Machine, FBC Series Floor Type

Structural Features
SMTCL CNC boring milling machine adopts the single-column, side-mounted headstock design. The column and saddle travel horizontally along the bed guideways. The headstock travels vertically on the column guideways. The spindle speed change of this boring milling machine incorporates an automatic gearbox to switch between high and low ranges. Siemens AC servo motors are installed on all axes. The X-axis uses double-motor, double-gear and rack drive technology, which greatly improves the driving force of the X-axis, and eliminates backlash effectively over traditional single-motor double-gear technology. The two motors move synchronously, and in slight opposition to each other in a way that is controlled electronically by the CNC and drives to remove backlash. The Y-axis incorporates the double motor and double ball-screw drive system. The Z and W axes adopt single pre-loaded ball-screw drive system. X, Y, and Z (Ram) axes incorporate closed-system constant flow hydrostatic guideways, which give high performance, low vibration, and retain high precision over time. The system is powered by a VOGEL constant-flow multi-head pump.

The W axis adopts western-made linear guideways as auxiliary ways, and is equipped with a linear encoder to make the extension and retraction of the spindle a full-loop controlled axis. X, Y, and Z axes all have Heidenhain linear encoders for feedback (the Y axis has two encoders) in order to realize complete closed loop feedback control, thus improving the positioning accuracy of our CNC boring milling machines. The headstock incorporates a large cross-section CNC-controlled ram, which contains a CNC-controlled boring spindle within it. This makes our boring milling machine ideal for both surface and deep-hole machining. The ram contains double hydraulic cylinders with a proportionate valve system, and together with the CNC and drive mechanisms of the headstock, compensate for gravitational droop as the ram extends from the headstock. The spindle and ball screw supports are all equipped with western-made bearings. Main hydraulic, electrical, and pneumatic components are from western sources. The machine bed and column guideways are equipped with telescopic rust-proof steel covers to protect the guide-ways, ball screws, and improve the milling machine's appearance. SMTCL CNC boring milling machine is equipped with SIEMENS 840D or FANUC 18i CNC control system. The main drive components, feed components, AC spindle motor, and AC servo feed motors are all imported, which ensures stable and reliable performance of the machine.

Our floor type boring milling machines are universal heavy duty machines with square-profile ram, suitable for the processing of large parts with drilling, milling, boring, reaming, spot facing, and threading operations, among others. They are widely used in the fields of energy, transportation, and petrochemical, etc. where heavy duty machining of large box-type parts is common.

Features of FBC160r CNC Boring Milling Machine
This type of CNC boring milling machine adopts single column design with side-mounted headstock. The saddle moves horizontally along the bed-ways, the column is fixed on the saddle, and the headstock moves vertically along the column guide ways. All axes of motion are driven by Siemens AC servo motors. The X-axis adopts double motors, double gears and rack technology, which greatly improves the X-axis driving force and its management. During the processes of starting and stopping, the two motors engage simultaneously, which improves acceleration performance significantly in comparison to more conventional single-motor double-gear configurations. Through CNC and drive control, the X-axis realizes forward and backward transmission free of backlash. The Y-axis motion incorporates a mechanism of column-fixed ballscrew being rotated by high-precision reduction gears in order to lift and lower the counterweight balanced headstock. This CNC boring milling machine uses an internal mechanical brake motor with 4 floating spring-loaded clamping devices with hydraulic release as a safety measure. The Z and W axes are driven by servo-motors connected to ball screws through reduction transmission. The X, Y, and Z axes are of low-friction design with plastic coating on the moving elements against steel ways with ample lubrication, in order to obtain low coefficient of friction, good adsorption of vibration, low high frequency vibration, and high precision. The X-axis is equipped with a linear encoder from Heidenhain. The main hydraulic, electrical, and pneumatic components of our boring milling machine are imported from the European countries. The machine bed and column guideways are equipped with way covers for improved protection and appearance. The operator's platform travels together with the headstock, which provides good observation of the machining process while ensuring the operator's safety. The CNC boring milling machine's hydraulic system is fully interlocked with the functions of the machine for increased safety. Our boring milling machine is equipped with the SIEMENS SINUMERIK 840D CNC control system. The main drives, feed drives, AC spindle motor and AC servo feed motors are introduced from reliable companies for increased stability and reliable performance.

Optional Accessories for FBC Series CNC Boring Milling Machine

1. Vertical Milling Head

2. Universal Milling Head

3. Extended Milling Head

Main Technical Specifications of CNC Boring Milling Machine

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SMTCL is a China CNC boring milling machine manufacturer and supplier. We are committed to designing and producing high quality and competitively priced conventional lathe, flat bed CNC lathe, vertical machining center, automatic horizontal boring milling machine, and other machine tools. Our extensive production experience and strict quality control system, coupled with our advanced equipment and technology, have given our products the advantages of high quality, great durability, long service life, and low prices. So, customers can feel secure in using our machine tools. In addition, OEM service is also available upon request.
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