387results about How to "Easy to straighten" patented technology

Micro-regional force application improves the control of the orthodontic movement of teeth in all six degrees of freedom. Micro regional force application utilizes an elastic repositioning appliance, a tooth positioner, a polymeric shell, or preprogrammed series of polymeric shells. The key components of the invention are the envelope of freedom, the force applicators, force couplers, counterpart coupling, vector modifiers, seating guides, decouplers, and forced balance points. Further, computerized finite element analysis determines the center of resistance and the center of rotation for each tooth to be moved. The present invention gently rotates and translates one or more teeth to a desired straight position within a treatment plan.

A tunneling device (10) for introduction into a body via a linearly extending guide (100) is formed as an elongated tunneling device (10) having an end portion (10E) bent to a predefined curvature. The elongated tunneling device (10) when confined in the linearly extending guide (100) is confined lengthwise in the guide (100). Upon movement of the tunneling device, advancing past the guide (100) into the body, the end portion (10E) of the tunneling device (10) returns to the predefined curvature without requiring any external physical resistance of load forces to initiate the bending.

A heat exchanger includes a tube, and a plurality of fins coupled to the tube having a curved fan-stator shape that facilitates straightening of airflow from a fan.

The invention discloses a detecting and straightening machine and method for shaft parts. The detecting and straightening machine comprises a console and a straightening machine body. The straightening machine body comprises a fixed work table and a movable main machine frame. The movable main machine frame can move on the fixed work table along the X axis and can feed data back to the console. A straightening hydraulic cylinder is arranged on the movable main machine frame and can straighten a workpiece. A rear bracket capable of moving along the Y axis is arranged on the rear side of the movable main machine frame. A measurement hydraulic cylinder is arranged on the rear bracket. A measurement rolling wheel is arranged below the measurement hydraulic cylinder. A displacement sensor for measuring the Y-axis movement amount and a displacement sensor for measuring the Z-axis movement amount are arranged on the movable main machine frame and the measurement hydraulic cylinder correspondingly. The displacement sensors can transmit information to the console. Detecting and straightening of the workpiece can be conducted on the same device and the same station through the same installation reference. When straightness detection is conducted on the workpiece, detection can be conducted on the workpiece on three-dimensional scale, and measurement errors are reduced.

A sanitary napkin includes a main body having a liquid-absorbent layer for absorbing and retaining liquid and a projection disposed on a body surface of the main body. At least a portion of the projection is separably fixed to the body surface of the main body through a temporarily fixing means.

The invention discloses a method for straightening bending deformation of a crankshaft. The method comprises the following steps of: performing elastic correction on the bent deformed crankshaft by using a straightening tool in a hot state, namely making the crankshaft generate certain reverse bending elastic deformation according to the bending deformation; performing setting treatment on the elastically corrected crankshaft at the temperature of 400+/-10 DEG C; keeping the pressure state of the set crankshaft, and cooling the crankshaft to room temperature by air; and unloading the crankshaft, and performing stress removal aging treatment on the unloaded crankshaft at the temperature of 300+/-10 DEG C. The invention also discloses a tool for straightening bending deformation of the crankshaft. The crankshaft is elastically corrected through the special straightening tool, the problems that the large crankshaft is difficult to straighten and easy to crack in the prior art are solved,and the straightening process is simple, convenient, safe and reliable.

The present invention discloses one kind of rolling pass system for deformed channel steel with leg length/channel width ratio of 0.8-1.1 in small scale rolling mill. The rolling pass system consists of directly deepening coarse rolling pass, butterfly type middle rolling pass arranged in narrow-wide-narrow rule and straight leg finish gage pass with optimized nip condition. The present invention has improved deforming condition to realize rolling large steel material in small rolling mill, and has the positive effects of raising rolling capacity of rolling mill, reducing pass height, reducing depth of roller slot, decreasing rolling load, etc.

The invention provides an old wire recovery device comprising a frame, a take-up reel mounted on the frame, a motor driving the take-up reel to move, and a wire smoothing device. The old wire recovery device is scientific in design, convenient to use and high in recovery quality, and wires can be automatically smoothed.

The invention discloses a straightening device for eliminating bending and distortion of an aluminum profile, relates to the related field of aluminum profile straightening, and aims to solve the problems that for an aluminum profile with large bending degree, the feeding position slips and the bending position is stressed to be prone to generating breaking cracks in an existing straightening device. A worktable top is arranged at the upper end of a worktable; a first supporting vertical plate is fixedly connected to the rear end of one side of the upper end of the worktable top; a first rectangular long groove is formed in the first supporting vertical plate; an overturning unit is arranged on one side of the front end of the first supporting vertical plate and comprises a sliding motor,a rotating screw rod and a sliding block; a rotating motor and a speed reducer are installed on one side of the middle of the sliding block, and a turntable is installed on the other side of the middle of the sliding block; an inner driving box is arranged on one side, away from the sliding block, of the turntable; rotating connecting rods are arranged at the upper end and lower end of the front end and rear end of the inner driving box; and rotating blocks are arranged on one sides, away from the inner driving box, of the rotating connecting rods.

The present invention relates to a method for fabricating a scanning probe microscope (SPM) nanoneedle probe using ion beam which is preferably focused ion beam and a nanoneedle probe thereby. More particularly, the present invention relates to a method for fabricating a SPM nanoneedle probe capable of being easily adjusted with an intended pointing direction of a nanoneedle attached on a tip of the SPM nanoneedle probe and of being easily straightened with the nanoneedle attached on the tip of the SPM nanoneedle probe along the intended pointing direction, and to a SPM nanoneedle probe thereby. Also, the present invention relates to a method for fabricating a critical dimension SPM (CD-SPM) nanoneedle probe capable of precisely scanning the sidewall of an sample object in nanoscale using ion beam which is preferably focused ion beam, and to a CD-SPM nanoneedle probe thereby. More particularly, the present invention relates to a method for fabricating a CD-SPM nanoneedle probe capable of precisely scanning the sidewall of the sample object in nanoscale by bending a portion of an end of the nanoneedle attached on the tip of the SPM nanoneedle probe in a specific angle toward a direction other than an original direction in which the nanoneedle attached on the tip of the SPM nanoneedle probe extends out, and to a CD-SPM nanoneedle probe thereby. A method of fabricating scanning probe microscope (SPM) nanoneedle probe using ion beam, comprises: positioning the probe so that a tip of the probe on which the nanoneedle is attached faces toward a direction in which the ion beam is irradiated; and aligning the nanoneedle attached on the tip of the probe with the ion beam in parallel by irradiating the ion beam toward the tip of the probe on which the nanoneedle is attached. A method of fabricating a critical dimension scanning probe microscope (CD-SPM) nanoneedle probe using ion beam, comprises: screening a certain portion of the nanoneedle attached on a tip of the probe using a mask; and bending a part of the nanoneedle exposed out of the mask to align the part of the nanoneedle by irradiating the ion beam on the part of the nanoneedle exposed out of the mask, along the direction of the irradiated ion beam.

The invention relates to a planetary inclined roll rotary hub straightening machine, comprising a rotary hub, a first power driving device for driving the rotary hub to rotate, at least two groups of straightening rollers arranged in the rotary hub and a second power driving device for driving the rotation of the straightening rollers. An upper straightening roller and a lower straightening roller of every group of the straightening rollers are symmetrically arranged at the two sides of a rotating axis and the straightening rollers are inclined in certain angle corresponding to the rotating axis. A structure combining the straightening rollers which can autorotate with the rotary hub which can implement revolution is adopted. Therefore, previous driven straightening rollers in the rotary hub are changed into driving straightening rollers. The rotating speeds of the rotary hub and the straightening rollers are matched to eliminate the puppet rotating phenomenon of straightened roundwood. The contact and the compression bending state of the straightening rollers and the straightened roundwood are improved, and the straightness is improved. The straightening rollers driven by a hydraulic motor clamp the straightened roundwood tightly and roll around the straightened roundwood to ensure the roundness. The planetary inclined roll rotary hub straightening machine is very beneficial to the straightening of super-long thin wall pipes.

The invention discloses a vehicle transverse swinging stopping device, which comprises a lifting mechanism and a transverse swinging mechanism, wherein the lifting mechanism comprises a lifting power unit, screw mandrels, nuts screwed on the screw mandrel, two upper stay bars and two lower stay bars; the two upper stay bars and the two lower stay bars respectively take the screw mandrels and the nuts as movable pairs to form an upper plane four-bar mechanism and a lower plane four-bar mechanism; and the transverse swinging mechanism comprises a transverse swinging power unit and a transverse driving wheel. The vehicle transverse swinging stopping device adopts a movable pair type plane four-bar mechanism which is combined with a transverse driving wheel structure to complete lift and sideslip of the tail of a vehicle, is convenient to put straight the tail of the vehicle under the condition of parking, does not require arrangement of complex pipelines and lines, is simple and convenient to arrange, has low manufacturing cost and light weight, accords with the development trends of light weight, energy saving and emission reduction of the modern vehicle, and is suitable for parking of middle-size and small-size vehicles such as sedans, etc. in a narrow place.

The invention discloses a multi-cable pay-off device for cable erection. A first slide block is arranged at one side of a vertical column, first slide rails are arranged at the two ends of the first slide block, and a clamping jaw is arranged at one side of the first slide block; a first belt wheel is arranged at one end of a first rotary shaft; a clamping jaw is arranged on a second slide block;the upper end of the first slide block is connected with a top plate through a first oil cylinder; the upper end of the second slide block is connected with the second slide block through a second oilcylinder; and a drive device comprises a first double-end motor arranged on the upper part of the top plate, second rotary shafts connected with the two ends of an output shaft of the first double-end motor, and second belt wheels installed on the second rotary shafts, and the second belt wheels are connected with the first belt wheel through a belt. According to the multi-cable pay-off device for cable erection, the clamping jaws are arranged at the two ends of a vehicle frame, and a reel is supported by virtue of the clamping jaws, so that the reel is prevented from being separated from a pulley during rotation, and the stability of the reel is ensured; and moreover, the drive device is arranged on the upper part of the top plate, and the reel is driven to rotate by virtue of the drivedevice, so that manual wire drawing is avoided, the labor amount of workers is reduced, and the pay-off efficiency is increased.

To provide a curl straightening method for image receiving paper for sublimation dye transfer, which is capable of realizing a smaller roll core diameter of the roll paper. The curl of an image receiving paper 100 for sublimation dye transfer having stiffness from 500 to 2,500 mg in a direction parallel to the printing direction, which is measured according to JIS L1085, JIS L1096, is straightened by allowing the image receiving paper 100 to pass through gaps 4a, 5a of a guide 3 that bends the image receiving paper 100 in a reverse curling direction.

The invention relates to a Bar detection mechanism and a working method thereof. The mechanism is characterized by comprising a frame, and a Bar carrying mechanism and a Bar moving mechanism which arearranged on the frame, wherein the Bar carrying mechanism includes a base arranged on the frame and a loading disc arranged on the base, the loading disc is driven and displaced by transverse and vertical driving mechanisms arranged on the base and a swinging mechanism, the Bar moving mechanism includes a transverse guide rail arranged above the frame, a transverse sliding base arranged on the transverse guide rail and a lifting sliding base arranged on the transverse sliding base, and the lifting sliding base is provided with a Bar suction head. The mechanism is advantaged in that design isreasonable, convenient and rapid Bar swinging and movement are facilitated, and later detection is facilitated.

A comber for carding and straightening cotton fibres is composed of geared head, main driver, carding unit, tail unit and electric controller. It features use of dual-speed motor, electromagnetic braking, two-point grasp of jaws for decreasing loss of long fibres, pneumatic pressing, lower curve stretching for higher uniformity, centralized suction of dropped fibres, PCL control, failure display and photoelectric detection with higher sensitivity.

The invention discloses a rolling system for a medium and thick steel plate in a thin gauge. The rolling system comprises a heating furnace, a descaling box, a roughing mill, an intermediate blank cooling device, a finishing mill, a thickness tester and a conveying roller way; the rolling system is characterized in that the roughing mill is connected with a roughing mill control system; the finishing mill is connected with a finishing mill control system; the thickness tester is connected with a controller; and the controller is connected with an alarm. The rolling system provided by the invention solves the problems that the temperature drop is fast, the temperature difference between the head and the tail of a steel plate is large, and the plate shape is hard to control when the thick gauge steel plate is rolled, and thus, the rolling system creates good conditions for straightening the steel plates.

The invention discloses a clamp for rod material alignment. The clamp comprises a clamp body as well as an adjusting bolt, a hinge pin, a pressing plate, a support block, a wedge and a cylinder pin, wherein the support block is located at the upper part of the clamp body, a clamping groove used for accommodating a rod material is formed in the side surface of the support block, a press head matched with the clamping groove for clamping the rob material is arranged at the upper end of the pressing plate, the middle of the pressing plate is connected to the side surface of the clamp body through the hinge pin, the lower end of the pressing plate is in threaded connection with the adjusting bolt, an adjusting nut is connected to the outer end of the adjusting bolt, the inner end of the adjusting bolt abuts against the outer end of the hinge pin in slide connection to the clamp body, the wedge is perpendicular to the hinge pin and in slide connection with the clamp body, and the inner end of the hinge pin abuts against the wedge. The clamp for rod material alignment is simple in structure and easy to operate, the rod material can be mounted and clamped conveniently and rapidly, and the rod material alignment efficiency is improved.

The invention belongs to the technical field of garment processing machinery and specifically relates to a garment fabric cutting device. The device comprises a box body; the device also comprises a drive unit, a cutting unit and a cutting table; the drive unit is used for driving the cutting unit to cut fabric; the cutting unit is used for cutting fabric; the cutting table is used for providing cutting position for fabric. By means of the cooperation of the drive unit, the cutting unit and the cutting table, the fabric is cut by the cutting unit which is driven by the drive unit, which not only alleviates labor intensity, but also increases fabric cutting efficiency; at the same time, the power source generated in the drive unit during driving is utilized so that the source utilization rate is increased; the fabric scraps in the fabric cutting drops to the bottom of the box to avoid the fabric scraps affecting the cutting of the fabric, thus improving the cutting effect of the fabric.