POLUS series gantry coordinate measuring machine

•Adopting an elevated gantry structure

•The three-axis guide rail is made of granite material with good thermal stability, and is surrounded by air bearing technology on all sides

•XTheYAdopting a bidirectional gear rack with no return clearance

•All products in the series can be configured with single point triggering and continuous scanning probes

• YLength of shaft (crossbeam)2000mm~5000mm，Zshaft height1500mm~4000mm，XThe axis length can reach12000mm.

1、 Mechanical characteristics

PolandThe series of CNC coordinate measuring machines provide effective measurement solutions for the field of metrology applications, improving detection efficiency and accuracy.

PolandThe three-axis guide rail of the mechanical body is made of natural granite material, with low thermal expansion coefficient and stable low deformation. Improved temperature resistance and deformation resistance of the entire system/The torsional ability improves the stability of the overall spatial structure and reduces the impact of structural micro deformation, vibration, and temperature gradient changes on measurement performance. The principles of finite element analysis and modular design in computer-aided design were widely applied in the design process. The fully closed air bearing design optimizes the repeatability and stability of the mechanical motion of each axis of the measuring machine;

Therefore, the entire system not only has complete functions during the measurement process, but also exhibitsgoodThe repeatability accuracy and long-term stability of the system.

IIMain structural features

lStructural form:The overall structure adopts an open elevated gantrybridgestructure, providing a large measurement space and high flexibility, making it easy to place workpieces and accessible to the measurement space;

lStructural characteristics:Workbench, crossbeam, andZAxis averageUsing natural materialsblackGranite EssencefineMade by grinding, with low coefficient of thermal expansion and small temperature change.And the three-axis unified materialMake three-axisEnsure the same thermodynamic state,It changes linearly with temperature, avoiding deformation and distortion of the measurement space, ensuring the linearity and stability of the overall spatial structure of the machine；

lThe high-level arrangement of guide rails improves the anti pollution ability; Obtained the lightest motion weight, minimized inertia, and achieved high-speed motion;High precision has been achieved for ultra large measuring machines

lXandYThe axis measurement system is arranged on the same level to minimize the impact of spatial temperature differences

lBearings: All three axes usePre stressed air bearing wrap around design,Ensure high rigidity and large load-bearing capacity of the three-axis guide railEnsure zero wear and smooth operation；

lThree axis drive: fully automatic control mode, driven by DC servo motor, Three axis motor adopts American technologyImportmotor；

lZThe axis adopts international standardsexcellentThe specialized cylinder balancing technology for balancingZAxle weight, equipped withZAxis safety protection device, ensuring maximum measurement accuracy and safety；

lXConnection part between axis guide rail and columnmatchEquipped with a precision adjustment mechanism to ensure reliable connection and precise adjustment, ensuring the parallel accuracy of the guide rail

ladoptImportprecision filtrationAnd voltage regulationsystem

lModular design structure for finite element analysis ensures stability while being extremely convenient for operation and maintenance

lPolandLongmen measuring machine, due to itsgoodThe mechanical structure has good high precision in the detection of large-sized workpieces. Can be configured with various optionsContact and non-contact probes, including scanning probe systems that support ultra long and complex probe cultivationCapable of completing high-precision inspection of large workpieces and surface scanning tasks of large molds.

IIIHigh speed CNC system

PAL series three coordinate measuring machine dedicated high-speed servo control system, the control system adopts DC servo drive measurement control，Support various motion control functions including scanning, measurement, etc., and support multiple probe systems,asCommonly used trigger type probes and non-contact probes. Adopting standard control protocols, modular design, large-scale integration of chips, simple structure, and mature control technology, the control system is efficient, high-precision, reliable, and safe.

The control system includes three-axis motion control, independent current closed-loop, speed closed-loop, and position closed-loop, achieving real-time, safe, and reliable motion control; The use of continuous motion trajectory interpolation technology and 3D vector drive technology ensures the detection accuracy of the measuring machine while running efficiently.

The control system consists of a logic control unit, a drive unit, and a power supply section. Adopting international standardsGeneralofAt the 32-bit digital signal locationcoreProcessor, realizing accidental collision protection for measuring heads, mechanical, electrical, and software limit, travel collision prevention and alarm, position following error monitoring, motion speed monitoring, main power supply alarm, power supply overvoltage and overcurrent alarm, driving unit high temperature alarm, manual emergency alarm, automatic fault and operation status prompt, recording, and querywaitMultiple automatic safety protection and alarm functions

The adjustment of the motion performance and parameters of the control system is implemented by the control software. During debugging, the motion control parameters, such as stroke range, speed, acceleration, gain, bias and other control parameter files, are adjusted to ensure that the control system and machine tool work in the optimal motion state.

lReal time control, the lower computer is32-bit main CPU microprocessor

lup and downbitThe machine adopts high-speed technologyUSB communication enhances anti-interference capability

lPID digital regulation, speed acceleration feedforward and feedback control

lGraphic trajectory display debugging software

lContinuous motion trajectory control, flight touch detection function

lMultiple ProtectionI/O controller

lallI/O adopts optoelectronic isolation technology to improve reliability

lReal time display of control status

lMicrocomputer multifunctional keyboard control box

Portable terminal control unit(Operation box), the operator can manually control the mechanical movement of the measuring machine, which can be used to control emergency situations, set the axis movement speed, and can also be set、Reset some status functions.

4Selection parameters