Abstract: The invention relates to a method for the cutting processing of a panel-type material in a machine which comprises a processing station in a machine base frame, and the processing station is assigned a loading and unloading station. The panel-type material is laid on a pallet which is movable between the processing station and the loading and unloading station, and the pallet is moved into the processing station for subsequent processing and is positioned on a pallet carrier of the machine base frame for the subsequent processing of the panel-type material, wherein, before the start of the processing process of the panel-type material by the processing unit, the pallet is lifted from the pallet carrier by an air spring device and is positioned in a manner decoupled from the pallet carrier, and after the processing process of the panel-type material, the pallet is coupled to the pallet carrier.

Abstract: This disclosure relates to methods and apparatuses for cutting out a workpiece section along a target path from a plate-shaped workpiece using a laser beam of a laser cutting machine having a first drive for moving the workpiece along a first drive axis, a second drive for moving a laser cutting head along the first drive axis. Target values of the target path of the laser beam are divided into target values for the first drive and for the second drive. Before the laser beam reaches a cutting-out end position of the workpiece section, the target values for the first drive are set to a constant value, so that after braking of the first drive, the cutting out of the workpiece section is only still executed by moving the laser cutting head and the workpiece comes to a stop at latest at the cutting-out end position.

Abstract: In order to improve a semi-hermetic refrigerant compressor, comprising a reciprocating piston compressor, an electric motor, an overall housing which has a motor housing portion for the electric motor and a compressor housing portion for the reciprocating piston compressor, a suction-side refrigerant path which leads from a suction connection on the overall housing to an inlet chamber of the reciprocating piston compressor, and a pressure-side refrigerant path which leads from an outlet chamber of the reciprocating piston compressor to a pressure connection on the overall housing, such that the refrigerant compressor functions more efficiently, it is proposed that the electric motor is configured as a synchronous motor, in the rotor of which there are arranged permanent magnets for the synchronous operation of the electric motor and a squirrel cage for starting up the electric motor in asynchronous operation.

Abstract: The invention relates to a method for the cutting processing of a panel-type material in a machine which comprises a processing station in a machine base frame, and the processing station is assigned a loading and unloading station. The panel-type material is laid on a pallet which is movable between the processing station and the loading and unloading station, and the pallet is moved into the processing station for subsequent processing and is positioned on a pallet carrier of the machine base frame for the subsequent processing of the panel-type material, wherein, before the start of the processing process of the panel-type material by the processing unit, the pallet is lifted from the pallet carrier by an air spring device and is positioned in a manner decoupled from the pallet carrier, and after the processing process of the panel-type material, the pallet is coupled to the pallet carrier.

Abstract: An irradiation system includes: a first beam source configured to output a first laser beam and a second beam source configured to output a second laser beam, in which the second laser beam has a higher beam quality higher than that of the first laser beam; optics arranged to focus the first and second laser beams; and a beam guiding system including a first beam path along which the first laser beam is guided, and a second beam path along which the second laser beam is guided, in which the beam guiding system includes a beam combiner to superimpose the first and second laser beams, the first beam source is a pump laser, the second beam source is a laser resonator, and the beam guiding system further includes a beam switch adapted to feed the first laser beam into a pump laser beam path and/or into the first beam path.

Abstract: This disclosure relates to methods and apparatuses for cutting out a workpiece section along a target path from a plate-shaped workpiece using a laser beam of a laser cutting machine having a first drive for moving the workpiece along a first drive axis, a second drive for moving a laser cutting head along the first drive axis. Target values of the target path of the laser beam are divided into target values for the first drive and for the second drive. Before the laser beam reaches a cutting-out end position of the workpiece section, the target values for the first drive are set to a constant value, so that after braking of the first drive, the cutting out of the workpiece section is only still executed by moving the laser cutting head and the workpiece comes to a stop at latest at the cutting-out end position.

Abstract: In order to create a refrigeration system comprising a refrigerant circuit (10), in which a main mass flow (56) of a refrigerant is guided, which may be adapted to different operating conditions in an optimum manner it is suggested that at least two refrigerant compressors (12a, 12b, 12c), which can be switched on individually for the purpose of compressing the main mass flow, be arranged in the refrigerant circuit, that at least two of the refrigerant compressors each have at least one additional compressor stage (70), that each of the additional compressor stages be able to be used optionally for the compression of refrigerant from the main mass flow or for the compression of refrigerant from the additional mass flow (86) and that a control (90) be provided, with which such a number of additional compressor stages for the compression of refrigerant from the additional mass flow can be switched on in a first operating mode as a function of the operation conditions that the expansion cooling device (24, 28) l

Abstract: In order to create a refrigeration system comprising a refrigerant circuit (10), in which a main mass flow (56) of a refrigerant is guided, which may be adapted to different operating conditions in an optimum manner it is suggested that at least two refrigerant compressors (12a, 12b, 12c), which can be switched on individually for the purpose of compressing the main mass flow, be arranged in the refrigerant circuit, that at least two of the refrigerant compressors each have at least one additional compressor stage (70), that each of the additional compressor stages be able to be used optionally for the compression of refrigerant from the main mass flow or for the compression of refrigerant from the additional mass flow (86) and that a control (90) be provided, with which such a number of additional compressor stages for the compression of refrigerant from the additional mass flow can be switched on in a first operating mode as a function of the operation conditions that the expansion cooling device (24, 28) l

Abstract: In order to improve a refrigerating plant comprising a refrigerant circuit, which has a main stream of refrigerant flowing through an evaporator, a compressor, a condenser and a collector one after the other, and an oil circuit for the compressor with an oil cooler such that the oil cooler can be operated as simply and reliably as possible, it is suggested that the oil cooler be adapted to be cooled by a branch stream of liquid refrigerant from the refrigerant circuit, that the branch stream circulate in a branch circuit on the pressure side, that the branch circuit branch off from a collector arranged downstream of the condenser in the main stream of the refrigerant circuit, convey liquid refrigerant to the oil cooler and then supply the refrigerant evaporated at least partially in the oil cooler to the main stream of refrigerant on the pressure side upstream of the condenser and that a pumping device driven by the main stream of refrigerant flowing from the compressor to the condenser pump the branch stream