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公开(公告)号：EP4368342A1
公开(公告)日：2024-05-15
申请号：EP22206558.3
申请日：2022-11-10
发明人： CHEN, Bach Pangho
CPC分类号： B24B55/105 , B24B23/04 , B23Q11/12
摘要： An electric tool grinding machine (20) has an electric motor (21), a grip body (22), a cover (24) connected to the grip body (22), an eccentric block (25) in the cover (24) and driven by the electric motor (21), and an airflow generating member (26) attaching on the eccentric block (25). The grip body (22) has at least one air hole (228). The cover (24) is devoid of a vent hole, the airflow generating member (26) has a bottom plate (261) and a plurality of fan blades (262), a second distance (31) is defined between a top edge of the fan blades (262) and the grip body (22), a third distance (32) is defined between an outer edge of the fan blades (151) and the cover (24), the second distance (31) is at least 50% of a longitudinal length of the fan blades (262), the third distance (32) is at least 50% of a radial length of the fan blades (262), and an outer diameter of the airflow generating member (26) is greater than the first distance (30).
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公开(公告)号：EP4368333A1
公开(公告)日：2024-05-15
申请号：EP22837571.3
申请日：2022-06-29
摘要： A temperature control device (10) includes a machine body temperature sensor (94) which measures a machine body temperature at a portion separated from a spindle device (26), a return oil temperature sensor (78) which measures a temperature of cooling oil which circulates in a machine tool (12) and which is collected by the temperature control device (10), an oil controller (44) which includes at least two oil control modules (48, 50, 52, 54), each having a cooler (72) and which control the temperature of the cooling oil so that the temperature of the cooling oil detected by the return temperature sensor (78) is synchronized with a reference temperature set based on a machine body temperature, in which tanks thereof communicate with each other, and the at least two oil control modules (48, 50, 52, 54) are connected in parallel to the machine tool, and a piping connection manifold (56) for uniformizing convergence of the cooling oil to the machine tool (12) and branching to each of the oil control modules (48, 50, 52, 54).
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公开(公告)号：EP3023194B1
公开(公告)日：2018-05-09
申请号：EP15193649.9
申请日：2011-03-03
CPC分类号： B23Q11/127 , B23B9/005 , B23Q11/12 , B23Q39/044 , H02K1/20 , H02K16/00 , Y10S82/90 , Y10T82/2524 , Y10T82/2552
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公开(公告)号：EP3269476A1
公开(公告)日：2018-01-17
申请号：EP16761547.5
申请日：2016-02-29
申请人： NTN Corporation
发明人： MIZUTANI, Mamoru
IPC分类号： B23B19/02 , B23Q11/12 , F16C19/16 , F16C19/28 , F16C19/56 , F16C33/32 , F16C33/34 , F16C35/12 , F16C37/00
CPC分类号： F16C33/34 , B23Q11/12 , F16C19/163 , F16C19/26 , F16C19/28 , F16C19/505 , F16C19/525 , F16C19/543 , F16C19/546 , F16C37/007 , F16C2240/70 , F16C2322/39
摘要： This invention is applied to a spindle device used in, for example, a machine tool. The spindle device includes a double row cylindrical roller bearing (4) and a thrust load supporting bearing (5F, 5R) both interposed between a front side portion of a spindle (1) and a housing (2) and arranged from a front side end in this specific order. In the respective roller rows of the double row cylindrical roller bearing (4), the diameters of the inner ring raceway surfaces (44a) are identical with each other and the diameters of the outer ring raceway surfaces (42a) are identical with each other. The cylindrical roller (46B) of the roller row on the thrust load supporting bearings (5F, 5R) side has a size smaller than the cylindrical roller (46A) of the roller row on the counter thrust load supporting bearings (5F, 5R) side.
摘要翻译： 本发明适用于例如在机床中使用的主轴装置。 主轴装置包括两个圆柱滚子轴承（4）和推力载荷支承轴承（5F，5R），两个圆柱滚子轴承和推力载荷支承轴承（5F，5R）都插在主轴（1）的前侧部分与壳体（2）之间，并且从前侧端 按照这个特定的顺序。 在双列圆柱滚子轴承（4）的各个滚子列中，内圈滚道面（44a）的直径彼此相同，并且外圈滚道面（42a）的直径彼此相同。 推力负载支撑轴承（5F，5R）侧的滚子列的圆柱滚子（46B）的尺寸小于反推力负载支撑轴承（5F，5R）侧的滚子列的圆柱滚子（46A） 。
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公开(公告)号：EP3260235A1
公开(公告)日：2017-12-27
申请号：EP16752436.2
申请日：2016-02-15
申请人： NSK Ltd.
发明人： SUZUKI Hidekazu , ISHIKAWA Atsushi
CPC分类号： B23Q11/12 , B23Q1/70 , B23Q5/10 , B23Q11/127 , B23Q2220/006
摘要： A cooling gas is fed from an ejection nozzle into the interior of a through-hole which is formed in a radially central portion of a main spindle, and which penetrates through said main spindle in an axial direction. The cooling gas passes through radial venting holes provided in a plurality of locations, in the circumferential direction, in an axially intermediate portion of the main spindle, is fed into axial venting holes provided in a plurality of locations, in the circumferential direction, extending from one axial-direction end of the main spindle to an intermediate portion thereof, is caused to flow through the axial venting holes, and is discharged from discharge holes.
摘要翻译： 冷却气体从喷嘴供给到形成于主轴的径向中央部的贯通孔的内部，该贯通孔在轴向贯通所述主轴。 冷却气体在主轴的轴向中间部分沿圆周方向穿过设置在圆周方向上的多个位置处的径向通风孔被供给到设置在圆周方向上的多个位置处的轴向通风孔中， 主轴的一个轴向端部到其中间部分流过轴向通风孔，并从排出孔排出。
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公开(公告)号：EP3112713A1
公开(公告)日：2017-01-04
申请号：EP15754423.0
申请日：2015-02-26
申请人： NSK Ltd.
CPC分类号： H02K9/19 , B23Q11/12 , B23Q11/127 , F16C19/546 , F16C35/077 , F16C35/12 , F16C37/007 , F16C2322/39 , H02K5/1732 , H02K5/20
摘要： A cooling passage through which a cooling medium can flow is formed between the inner peripheral surface of a rear housing, and the outer peripheral surface of a bearing sleeve having a free-side bearing inserted therein. The cooling passage is formed in the outer peripheral surface of the bearing sleeve, and comprises one or a plurality of helical grooves formed in the outer peripheral surface of the sleeve from one-end side of the sleeve in the axial direction to another-end side of the sleeve in the axial direction. The housing is provided with: a supply port which communicates with one end of the helical grooves, and through which the cooling medium is supplied; and a discharge port which communicates with another end of the helical grooves, and through which the cooling medium that has flowed through the cooling passage is discharged.
摘要翻译： 在后壳体的内周面与插入有自由侧轴承的轴承套筒的外周面之间形成有供冷却介质流通的冷却通路。 冷却通道形成在轴承套筒的外周表面中，并且包括一个或多个螺旋槽，该一个或多个螺旋槽从套筒的轴向方向上的一端侧到另一端侧上形成在套筒的外周面中 的套筒在轴向方向上。 壳体设置有：供给口，其与螺旋槽的一端连通并且冷却介质通过该供给口供给; 以及排出口，其与螺旋槽的另一端连通，并且已经流过冷却通道的冷却介质通过该排出口排出。
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公开(公告)号：EP2397253B1
公开(公告)日：2013-03-06
申请号：EP11169704.1
申请日：2011-06-13
申请人： STS Services S.r.l.
发明人： Lertua, Paolo
IPC分类号： B23Q11/12
CPC分类号： B23Q11/12
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18.发明公开A cooled rotating member, in particular of machine tools 有权GekühltesDrehelement，insbesonderefürWerkzeugmaschine
公开(公告)号：EP2397253A1
公开(公告)日：2011-12-21
申请号：EP11169704.1
申请日：2011-06-13
申请人： STS Services S.r.l.
发明人： Lertua, Paolo
IPC分类号： B23Q11/12
CPC分类号： B23Q11/12
摘要： The present invention relates to a cooled rotating member, in particular of machine tools, comprising a rotating body (2) enclosed in a housing (3) and a cooling device (4) of said rotating member comprising at least a compressor (5) to compress and circulate a refrigerant fluid, an expansion valve (6) of said refrigerant fluid, at least a first heat exchanger (7) having its inlet connected to said expansion valve and its outlet connected to said compressor, at least a second heat exchanger (8) having its inlet connected to said expansion valve and its outlet connected to said compressor, said first heat exchanger (7) being produced in said housing (3) of the rotating body (2), characterized in that said compressor (5) is mounted on the rotating member, in proximity of the housing (3) or on said housing (3) of the rotating member (2).
摘要翻译： 本发明涉及冷却的旋转构件，特别是涉及机床的冷却旋转构件，其包括封闭在壳体（3）中的旋转体（2）和所述旋转构件的冷却装置（4），所述冷却装置包括至少一个压缩机 压缩和循环制冷剂流体，所述制冷剂流体的膨胀阀（6），至少第一热交换器（7），其第一热交换器（7）的入口与所述膨胀阀连接，其出口连接到所述压缩机，至少第二热交换器 8），其入口连接到所述膨胀阀并且其出口连接到所述压缩机，所述第一热交换器（7）被制造在所述旋转体（2）的所述壳体（3）中，其特征在于，所述压缩机（5） 安装在旋转构件上，靠近壳体（3）或旋转构件（2）的所述壳体（3）。
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