EP0144480B1 - Cold pilger mill - Google Patents Cold pilger mill Download PDF Info Publication number ... European Patent Office Prior art keywords rolling motor mandrel saddles turning Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no ...
Cold pilger rolling mill for cold forming a hollow into a strain hardened tube with a roll stand with rollers mounted pivotably thereon. Efficient milling of long hollows is enabled without …
A drive for a pilger cold rolling mill which includes a crankshaft and a connecting rod. The connecting rod provides a balancing or equilibrium of moments while the crankshaft provides a balancing or equilibrium of mass. ... Priority claimed from DE3613036A external-priority patent/DE3613036C1/en
1471918 Rolling tubes MANNESMANNMEER AG 30 April 1974 [7 June 1973] 18946/74 Heading B3M A cold pilger rolling mill for tubes includes a pair of grooved rolls 1 mounted in a stand 16 which is reciprocated by a crank drive 8 and has counterweights 15 and 14, the rolls rotating through an angle greater than 360 degrees during each direction of travel of …
The invention discloses the material collecting device of a kind of cold pilger mill, including discharging frame, discharging frame is arranged under the turn-down rig of cold pilger mill discharge rack, described discharging frame includes storing framework, the both sides of described storing framework upper end arrange two rotating parallel polished rods, strap …
The present invention proposes a kind of cold pilger mill, including：Frame, transmission mechanism, roll shaft, motor and speed reducer.The frame includes roller frames and support frame, and roller frames are located at support frame top, and two rack-plates are equipped with the bottom and top of support frame, and upper rack plate and lower rack …
1,261,106. Rolling. MANNESMANN-MEER A.G. 6 March, 1969 [9 April, 1968], No. 12015/69. Heading B3M. [Also in Division F2] A rack adjusting arrangement for a rack 2 and pinion 1 of a cold pilger rolling mill comprises a stationary wedge 4 and a wedge 3 movable by a screw 8 engaged with a nut 7 fixed to the wedge. The screw is journalled in fixed …
After sace of mice, our staff washed the livers three times in cold normal saline, and fixed liver tissues nightlong utilizing 10% formalin fixative solution. After …
PURPOSE: To realize a mass balance and torque balance of a cold pilger mill with a simple constitution. CONSTITUTION: A transmission gear formed of cranks 7 and balance masses is divided into two transmission gear parts which are arranged in a mirror image to a plane which vertically intersects a roil axis 10. The transmission gear parts are arranged …
Cold pilgering is a rolling process in which the diameter and wall thickness of metal tubes is reduced. During this process, a large number of forming steps are completed to improve the roundness, stresses, homogeneity, and surface roughness of the tubes. SMS group's cold pilger mills are also suitable for forming difficult materials with a high cross section …
European Patent Office Prior art keywords wall thickness rolling mill cold pilger extruded pilger rolling Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Withdrawn Application ...
The invention relates to a cold pilger rolling mill with a roll stand (1) which can move back and forth, which is coupled to the crank pin (6) of a crank (7) via a thrust rod (4), and the mass of inertia of which can be at least partially compensated for by counterweights which, in the form of centrifugal weights (11), are arranged on the crank (7), excentrically with …
Crank drive system for cold pilger mills drive or the like Sep 13, 1976 - Wean United, Inc. The disclosure of the present invention relates to a torque and mass compensating …
A cold pilger mill including a rolling mechanism for intermittently rolling a tubular material over a mandrel to a reduced-diameter pipe. A detector is associated with the rolling mechanism for detecting the rolling phase in the rolling mechanism. A feeding mechanism for feeding the material in the axial direction and a turning mechanism for turning the …
2. The production line of the full-automatic double-line cold pilger mill according to claim 1, characterized in that: the left air cylinder (7) comprises an air cylinder body (71), a push rod (72) and a linkage frame (73), the push rod (72) is installed on the air cylinder body (71) in an embedded mode, the push rod (72) is installed on the ...
When you choose your partners, you increase the likelihood of success. That's why we choose Hengli Machinery. China leading provider of Cold Pilger Mill and Cold Rolling …
The utility model discloses a kind of cold pilger mill mould heater, comprise well type support, workbench and fixed block, drum-shaped is set in described well type support, comprise the upper cavity for placing die assembly and lower mode cavity, described upper cavity and lower mode cavity can form a complete die cavity, described workbench is …
The invention discloses a method for recycling waste oil at the discharging end of a cold pilger mill. The method for recycling the waste oil at the discharging end of the cold pilger mill is characterized in that an oil removing device is arranged at the discharging end of the cold pilger mill, oil liquid on the outer surface of a rolled steel pipe is removed by an oil …
Publication of CA2321493C publication Critical patent/CA2321493C/en Anticipated expiration legal-status Critical Status Expired - Fee Related legal-status Critical ... Roll and mandrel bar calibration for a cold pilger mill SU825215A1 (en) * : : Duplij Grigorij D: Pass of rolls for tube pilger rolling ...
Article. Tube and Pipe Production. Cold pilgering is a longitudinal cold-rolling process that reduces the diameter and wall thickness of metal tube in one process step. …
Upgrading of Cold Pilger Mills (HPT) "Institute Tsvetmetobrabotka" performs modernization of older HPT mills, including the following mills: KPW 25, 50, 75, 100, 125, 150 VM and VMR of SMS-Meer company …
A method for the removal of cold-rolled tubes behind a cold pilger rolling mill (1) with intermittent advance and/or rotation of the tube, in which the tube, between the rolling zone and a driver (5) operating at constant speed is deflected from the rolling direction to balance the cyclically non-uniform rolling speed in a buffer zone, characterised in that through …
A cold pilger rolling mill as defined in claim 1, and further comprising spur gears on the cranks, additional shafts arranged parallel to the rotational axes of the …
The invention relates to a cold pilger rolling mill with a reciprocating roll stand, which is coupled to the crank pin of a crank via a push rod and whose inertial mass can be partially compensated for by counterweights. In this case, the transmission formed from crank drives and counterweights is divided into two transmission parts arranged in mirror image of a …
However, the cold pilger mill or the cold rolling process proposed in the Japanese Utility Model Publication No. 06-19902 and Patent Application Publication No. 2001-105009 entails the new apparatus such as the adjusting-and-reforming die or the induction heater. Therefore, although employing these for the cold rolling by pilger rolling can ...
CA1068136A Shell feed system for a cold pilger mill. US4562713A Cold pilger mill. EP0149469A2 A machine tool transfer drive. US4523449A Grip-feed machines used with stamping and bending machines.
The utility model discloses a cold pilger mill's dust removal heat sink, including aircraft bonnet, dust inlet pipe and dust collection tank, the aircraft bonnet top is provided with the air exhauster, the air exhauster top is provided with dust inlet pipe, dust inlet pipe one end is connected with cyclone, the cyclone top is provided with the outlet duct, the cyclone …
The invention relates to a drive for a cold pilger roll mill with mass and moment compensation, the driven crank being connected to the roll stand via a connecting rod. In order to develop a compact, economical construction which is stressed as little as possible for the drive, it is proposed that the roll stand (WG) is arranged directly above the crank …
A cold pilger mill stand 20 carries vertically disposed rolls 16, 16
1389685 Rolling mills MANNESMANNMEER AG 6 April 1972 [9 June 1971] 16027/72 Heading B3M A cold pilger rolling mill includes a roll stand reciprocated by a crank 11 and which is formed by upper and lower sections 3 and 4 held together by tie rods 5 and supporting upper and lower rolls 6 and 7. A single stand or a pair of side-by-side stands …
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