Analysis of Fluid-Solid-Thermal Coupling for Ball Screw in Boring-milling Machining Center

The worktable and the mainframe of the flipping horizontal machining center can be separated. The performance of the mainframe largely determines the machining performance of the whole machine. The deformation of mainframe under the application of certain forces demonstrates its static characteristics, which helps to find the vulnerable points for improvements. This paper mainly discusses the modeling of ball screw interfaces by taking into account the interface modeling. Static analysis is made by using Workbench to provide guidance for structural improvements.This electronic document is a “live” template and already defines the components of your paper [title, text, heads, etc.] in its style sheet.

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Research on Thermal Error Compensation Technique of the Screw

Advanced Materials Research ◽

10.4028/www.scientific.net/amr.482-484.309 ◽

2012 ◽

Vol 482-484 ◽

pp. 309-313

Author(s):

Hong Xin Yue ◽

Yan Shi ◽

Yan Mei Xi

Keyword(s):

Thermal Deformation ◽

Thermal Error ◽

Ball Screw ◽

Cooling Fluid ◽

Rbf Network ◽

Machining Center ◽

Surrounding Environment ◽

Compensation Technique ◽

Thermal Error Model ◽

Thermal Error Compensation

In the system of the machine tool, the position error is directly affected by the thermal deformation of ball screw. Screw system is a complex thermal system, which is affected by the processing conditions, the processing cycle, the use of cooling fluid, and the surrounding environment. Due to non-linear and interaction of the thermal error, a RBF network thermal error model is proposed in the paper and the model is tested in XHFA2420 large machining center.

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Research on MFBD Modeling Method for a Gantry Machining Center Beam Components

Advanced Materials Research ◽

10.4028/www.scientific.net/amr.188.487 ◽

2011 ◽

Vol 188 ◽

pp. 487-492 ◽

Cited By ~ 1

Author(s):

Q.J. Yang ◽

D.N. Li ◽

L.L. Kong ◽

K. Li

Keyword(s):

Machine Tool ◽

Machine Tools ◽

High Speed ◽

Modeling Method ◽

Ball Screw ◽

Machining Processes ◽

Element Analysis ◽

Machining Center ◽

Body Dynamics ◽

Multi Body

In modern machining processes, Gantry Machining Center is one of the most important machine tools. Moreover, beam components directly relate to the overall performance. From multi-body simulation (MBS) and finite element analysis (FEA) respectively, the paper discusses current state of the multi-body dynamics modelling of the machine tool components in domestic and overseas. In this paper, We adopt a method, the multi-flexible body dynamics(MFBD) modeling method for machine tool transmission components (linear guidance and ball screw drives) in software Recurdyn, to create the conditions for MFBD simulation analysis of the beam components system. Much more, it provides a way of MFBD modelling for machine tools components in both the high-speed and high-performance.

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Modal analysis of the ball screw nut pair of high speed vertical machining center

Design, Manufacturing and Mechatronics ◽

10.1142/9789814730518_0015 ◽

2015 ◽

Author(s):

Yong-Ming Wang ◽

Xiang Gui ◽

Jun Ye

Keyword(s):

Modal Analysis ◽

High Speed ◽

Ball Screw ◽

Machining Center

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Coupled Vibration Modal Analysis of Synchronous Dual Ball Screw Feeding System

Applied Mechanics and Materials ◽

10.4028/www.scientific.net/amm.433-435.8 ◽

2013 ◽

Vol 433-435 ◽

pp. 8-11

Author(s):

Zhi Yuan Rui ◽

Yu Lin Tang ◽

Rui Cheng Feng ◽

Yong Li ◽

Yan Rui Zuo

Keyword(s):

Vibration Mode ◽

Ball Screw ◽

Feeding System ◽

Coupled Vibration ◽

Ansys Analysis ◽

Machining Center ◽

Modal Coupling ◽

Coupling Characteristics ◽

Vibration Modal ◽

Screw Pitch

With the Synchronous Dual Ball Screw Feeding System used in a Milling-Turning compound machining center as the research object. For study the ball screw vibration modal, which using Lagrange established the dynamics equation and using the Lizs series expansion analyzing its various order modal coupling characteristics. Meanwhile using the ANSYS analysis to get the first three order vibration mode diagram and calculate the frequency corresponding to the critical speed for each rank. Through the analysis found that the screw pitch determine the modal coupling axial and corner, the workbench position and load quality changes, the screw vibration frequency also changes. Provide theoretical analysis for the analysis of dynamic characteristics of the next step.

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Analysis of the Linear Positioning Accuracy on Z Axis at the Horizontal Machining Centre TMA-AL-550

Advanced Materials Research ◽

10.4028/www.scientific.net/amr.837.179 ◽

2013 ◽

Vol 837 ◽

pp. 179-184 ◽

Cited By ~ 1

Author(s):

Constantin Bungău ◽

Rareş Pancu ◽

Traian Buidoş

Keyword(s):

Flexible Manufacturing ◽

International Standards ◽

Ball Screw ◽

Graphical Form ◽

Positioning Accuracy ◽

Research Systems ◽

Machining Center ◽

Index Table ◽

Linear Laser

This paper presents a case study regarding use the laser XL 80 to check the linearity movement of the Z-axis to horizontal machining center, TMA-AL 550. This machining center has been upgraded to the possibility of processing to 3 CNC linear axes and 2 CNC rotary axes (up to 5 CNC simultaneous axes) and also 1 PLC axis (the index table), as well the including of the machine into to the flexible manufacturing cell. This work paper presents the linearity accuracy at machining centre on the Z axis and shows the operating correction parameters by software and the necessity of backlash adjustment between nut and ball screw, by using a performing linear laser for machine tools and research systems laboratory, that was acquired by the project RTT-5 Rotary-Tilting Tables for 5-axis Machining Center, where the authors participated. Compared with conventional methods of checking of table linearity deviations at the machining centers (checking with spirit leveling device, wire collimator, wire auto-collimator and yardstick ruler), the method by laser of unconventional determining brings the following advantages: linear resolution of 0.001 μm, method assisted by computer, in order to obtain the positioning accuracy ± 5 μm the repeatability of 5 μm/m. The measurements fall within the ISO 230-2, ASME B5-52, VDI 3441-DGQ, JIS and GB international standards, and permitting also the memorization of the measured data and the obtaining of the tabulated results, or in graphical form too, using XL 80 soft Laser, by forwarding the information to the computer.

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