CNC turning lathe, Swiss type lathe original manufacturer since 2007.
The benefits of such slant bed CNC lathe
2020-09-30
JSWAY
55
With a tilt is casting lathe bed CNC lathe, and a larger bearing section, so it has good rigidity and damping, and can ensure the precision of processing. The machine tool main drive system adopts ac servo motor, spindle parallel driven directly by the v belt. Avoid the problem of gear box chain caused by noise.
slant bed CNC lathe driving screw is high precision ball screw, the screw and nut between the transmission gap is very small, also cannot say that there is no gap, but as long as there is gap, when the screw in one direction and then reverse transmission, it is hard to avoid can produce recoil, with the reverse clearance affects the repositioning precision of numerical control lathe, so as to affect the machining accuracy. Tilt with the layout of the lathe bed CNC lathe will directly affect the clearance on the ball screw in the X direction. Gravity directly along the screw axial movement, causes the driver when the backlash is almost zero. Numerical control lathe with a flat bed X direction of the screw is not affected by axial gravity, and can't eliminate clearance directly. This is the inherent accuracy of CNC lathe tilting table design advantage.< br / >
inclined guide rail machine adopts mechanical and electrical integration design, the bottom of the bed and feet for the whole structure, bed lean back 30 degrees, compact structure, strong rigidity, good shock resistance, easy clearance. Spindle adopts the spindle unit, inverter or servo motor, the spindle rotational speed is high and can realize the infinite speed adjustment, guide adopts imported high precision linear rolling guide, driven by ac servo motor, high positioning accuracy, moving speed, guide rail adopting centralized automatic lubrication device and the protection, lubrication is sufficient, safe and long service life. inclined guide rail machine tools installation and use: 1, in order to ensure the working accuracy of machine tool, when installation, adjustment or anchor bolt support, guarantee the machine level, don't have distorted the guide rail. 2, installation and debugging work is done, you must first check whether flexible rotation part and electric circuit is reliable, and then run the test, the test time is less than 2 hours, to determine the normal rear accessibility test processing. 3, oblique guide spindle bearings used in machine tools can produce clearance after a period of time, the user can adjust according to the use of speed. Gap is too small, easy to cause bearing heating; Clearance is too large, it will affect the precision of the workpiece's surface roughness. On the main shaft bearing before and after the lock nut elastic adjustment, bearing clearance in a 0. 006 mm is preferred. 4, machine tool, drag the size of the plate are equipped with iron, use after a period of time can be adjusted by adjusting the plug iron to large and small plate gap, should be flexible to run, do not affect the machining accuracy is advisable. 5, oblique guide rail lubrication, sliding parts must fully machine per shift ( In 8 hours) 2 - should be filling machine oil Four times, bearing lubrication should be per 300 - - Replaced every 600 hours. 6, at ordinary times should be to do a good job of machine maintenance and cleaning. 7, machine tool should be read before use machine operation instruction.< br / >
Zhongshan JSTOMI CNC Machine Tool Co., Ltd. undertakes bulk operations and specializes in undertaking corporate offers to cater the needs of different companies.
Zhongshan JSTOMI CNC Machine Tool Co., Ltd. also maintains a friendly, fair, and creative work environment, which respects diversity, new ideas, and hard work.
Zhongshan JSTOMI CNC Machine Tool Co., Ltd. might focus its marketing efforts by highlighting its end product—improved technology and increased profits—not its producing methods.
comes in a vast array of styles and mill axis depending on which multi axis cnc machineis used.
The mill axis cnc service has significantly numerous benefits over other multi axis cnc machine systems, which makes it first choice for mill axis.
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Daily “Clean + Lubricate” as the Baseline
After each shift, remove chips and coolant residue from the fixture surface and collet jaws with a soft cloth or air gun to prevent corrosion and re-clamping errors. Every eight hours, apply a trace of rust preventive oil to spring collets, guide bushings and other moving parts; once a week, add a thin coat of grease to ball-screw nuts and hydraulic cylinder rods to reduce wear. Before any prolonged shutdown, spray anti-rust oil on internal bores and locating faces and wrap them in wax paper or plastic film.
Precision Calibration & Data Closure
Use ring gauges or master bars every month to verify repeatability of the fixture; log results in the MES. If deviation exceeds 0.005 mm, trigger compensation or repair. For quick-change systems (HSK/Capto), check taper contact percentage every six months—target ≥ 80 %. If lower, re-grind or replace.
Spare Parts & Training
Keep minimum stock of jaws, seals and springs to enable replacement within two hours. Hold quarterly on-machine training sessions for operators on correct clamping practices and anomaly recognition to eliminate abusive clamping.
In short, embedding “clean–lubricate–inspect–calibrate” into daily SOP keeps the fixture delivering micron-level accuracy, reduces downtime, and extends overall machine life.
Six preventive measures
Environment control: keep the workshop at a stable temperature and low humidity; exclude dust and corrosive gases to reduce chemical wear on guideways and screws.
Daily checks: remove chips every shift and inspect the lubrication of the spindle, bearings, ball screws and guideways; act on any abnormality immediately.
Preventive lubrication: replace lubricants on schedule and keep the lubrication system unobstructed to minimize fatigue wear.
Accuracy monitoring: use laser interferometers or ball-bar systems monthly to measure geometric errors and compensate for ball-screw backlash or guideway straightness in time.
Electrical health checks: periodically examine cables, relays and cooling fans to prevent hidden aging caused by overheating.
Data monitoring: onboard sensors record spindle current, vibration and temperature; cloud-based analytics predict early bearing or tool failures.
Why prevention matters
• Ensures machining consistency: eliminating micron-level error sources keeps batch dimensions stable and reduces scrap.
• Extends machine life: preventing micro-cracks from growing can prolong overall life by more than 20 %.
• Reduces unplanned downtime: planned maintenance replaces emergency repairs, increasing overall equipment effectiveness (OEE) by 10 % or more.
• Cuts total cost: lower spare-parts inventory, labor and lost-production costs can save tens of thousands of dollars per machine annually.
• Enhances brand reputation: consistent on-time, defect-free deliveries strengthen customer trust and secure future orders.
Optimizing cycle time on turn-mill machining centers is crucial for boosting productivity and reducing costs. It requires a systematic approach addressing machine tools, cutting tools, processes, programming, fixtures, and material flow.
Ensure Geometric Accuracy
Swiss-type lathes process long, slender workpieces with multi-axis synchronization. A bed inclination of only 0.02 mm/m creates a “slope error” along the Z-axis, tilting the tool relative to the part centerline. This results in taper on outer diameters and asymmetric thread profiles. Periodic re-verification and re-leveling restore overall geometric accuracy to factory standards, guaranteeing consistent dimensions during extended production runs.
Extend Guideway and Ball-Screw Life
When the machine is not level, guideways carry uneven loads and lubricant films become discontinuous, accelerating localized wear and causing stick-slip or vibration. After re-leveling with shims or wedges, load distribution evens out, reducing guideway scoring and ball-screw side-loading. Service life typically improves by more than 20 %.
Suppress Thermal Growth and Vibration
A tilted bed leads to asymmetric coolant and lubricant flow, generating thermal gradients. Subsequent expansion further amplifies geometric errors. Re-verifying level, combined with thermal compensation, produces a more uniform temperature rise and reduces scrap caused by thermal drift. Additionally, a level bed raises natural frequencies, cutting chatter amplitude and improving surface finish by half to one full grade.
Chinese-built Swiss-type lathes have moved beyond the “low-cost substitute” label to become the “value leader” for overseas users. On the cost side, machines of comparable specification are priced well below those of traditional leading brands, and ongoing maintenance costs amount to only a fraction, dramatically lowering the entry barrier for small-to-medium job shops in Europe and North America. Lead time is equally compelling: major domestic OEMs can ship standard models within weeks, and special configurations follow shortly thereafter. When urgent orders arise from the electric-vehicle or medical-device sectors, Chinese production lines consistently deliver rapid responses.
Intelligence is on par with top-tier global standards. Machines routinely feature thermal compensation, AI-based tool-life prediction, and cloud-enabled remote diagnostics. Mean time between failures is long, and fully open data interfaces simplify secondary development for end users. Complementing this is a worldwide service network: Chinese manufacturers maintain parts depots and resident field engineers across the Americas, Europe, and Southeast Asia, enabling on-site support often within a single day, whereas legacy brands usually require factory returns measured in weeks.
1. Quick Troubleshooting Steps
Check the clamping pressure: Ensure the pressure plate or collet applies even force; too much or too little pressure will jam the bar. Adjust the pneumatic or hydraulic release mechanism accordingly.
Align the material path: Verify that the bar feeder, guide bushing, and spindle centers are collinear; any offset will cause the bar to twist or wedge.
Inspect belts and rollers: Belts must be tensioned correctly—loose belts slip, over-tight belts bind. Replace worn rollers immediately.
Lubricate moving parts: Clean and grease the eccentric shaft, release cam, and pusher fingers; lack of lubrication is a common cause of seizure.
I. Installation Guidelines for Swiss-Type Lathe Bed
1. Foundation Preparation
Floor Requirements: The Swiss lathe bed must be installed on a solid, level concrete foundation to prevent machining inaccuracies caused by ground settlement or vibration.
Load Capacity: The foundation must support the machine’s weight and dynamic cutting forces to avoid deformation affecting spindle and guide bushing alignment.
Vibration Isolation: If the workshop has vibration sources (e.g., punch presses, forging machines), anti-vibration pads or isolation trenches are recommended to enhance CNC machine stability.
Summary
Ball screws are the physical enablers of Swiss-type lathes across five critical dimensions:
Micron-level positioning for complex micro-structures;
High-speed rigidity supporting synchronized multi-axis cutting;
Active thermal control ensuring batch consistency;
Ultra-wear-resistant design enabling maintenance-free operation for 10+ years.
Their performance defines the precision ceiling of Swiss-type machining – truly "invisible champions" in precision transmission.
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