摘要:
A gear-rolling apparatus includes two gear units and a base. Each gear unit has a rolling portion, a rolling shaft extends from the rolling portion, a clicking column and two location columns extend from edges of a free end of the rolling shaft along an axle direction of the rolling shaft. The clicking column and the two location columns are spaced out from each other to form three grooves therebetween, a clicking clasp extends inward from the top of the clicking column. The clicking clasp has an inclined inner surface which inclines inward from top to bottom. The two rolling shafts are inserted into the hole of the base, the clicking column of one of the rolling shafts mates the groove opened between the location columns of the other rolling shaft, the location columns of one of the rolling shafts mate the grooves opened between the clicking column and the location columns of the other rolling shaft respectively, bottom surfaces of the two clicking clasps are against each other.
摘要:
A method for producing a ring with a toothing may involve (a) ring rolling a pre-ring to form a ring blank, (b) introducing a pre-toothing into the ring blank to form a pre-toothed ring, wherein the pre-toothing has teeth with a first tooth height, (c) heating, quenching, and tempering the pre-toothed ring to form a heat-treated pre-toothed ring, and (d) finish-toothing the heat-treated pre-toothed ring to form a ring with a toothing. The toothing may have teeth with a second tooth height that is greater than the first tooth height. Further, the introducing of the pre-toothing or the finish-toothing of the heat-treated pre-toothed ring may be performed by way of a metal machining process.
摘要:
With the method for manufacturing a composite brake disc, which includes a brake disc chamber and a friction ring having an inner profiling, a brake disc chamber blank is introduced into the friction ring. The brake disc chamber blank is then formed into the inner profiling via at least one embossing tool. A composite brake disc permitting a good torque transmission between the friction ring and the brake disc chamber can be manufactured in a cold-forming manner in this way. The forming-in can take place in a hammering manner, in particular by successively implementing a plurality of embossing steps in the region of different profile gaps of the inner profiling. Axial stops can also be simultaneously produced on forming-in. The axial stops serve to stop the brake disc chamber and the friction ring (3) are prevented from axially sliding apart.
摘要:
In order to save the investment for a separate cold rolling machine for applying threads etc. a cold rolling unit is placed in a moveable manner onto the Z-drives of a turning machine wherein the cold rolling unit can be configured much larger and much more stable and with less wear than a cold rolling unit used in a tool revolver. Even parallel processing through turning and rolling is facilitated.
摘要:
The invention relates to equipment for cold forming blanks of metallic parts by revolution, particularly for forming grooves or a knurling. The tool has regularly-spaced teeth (D) on a tooth gullet (F), with a penetration zone (A) followed by a calibration zone (B). According to the invention, the teeth have a height (h) that increases substantially from the penetration zone to the calibration zone, whereas the tooth gullet is at a decreasing distance from the forming reference axis (X) of the tool.
摘要:
A method is proposed for forming a toothing (7) and/or a profile (5) onto a shaft (3). This is distinguished by the following step: forming the toothing (7) and/or the profile (5) onto the shaft (3) mounted in a unit (1).
摘要:
Four different designs for the teeth of a rolling die are disclosed. A pair of the disclosed dies is used to form helical teeth in a cylindrical rod workpiece. All four of the disclosed die tooth embodiments are variations of a common design feature: Namely, at least one segment of the tooth profile for the first tooth of the start portion of the die is formed with a pressure angle substantially larger than the pressure angle of the final basic profile geometry desired for the teeth, and then the profiles of the successive die teeth for the start portion are formed so that the pressure angle of each successive die tooth progressively and gradually decreases in magnitude from the pressure angle of the first tooth until the pressure angle of the final die tooth of the start section is substantially the same as the pressure angle of the desired workpiece teeth.
摘要:
AN EXTRUDER FOR CONTINUOUSLY EXTRUDING ARTICLES IS PROVIDED. THE EXTRUDER HAS A BODY WITH A NOZZLE, AN OPEN END AND CONDUITS JOINING THE OPEN END AND THE NOZZLE. THE MATERIAL TO BE EXTRUDED IS CONTAINED WITHIN THE EXTRUDER BODY. A NUMBER OF ROLLERS ARE RECEIVED IN THE OPEN
END OF THE EXTRUDER BODY AND ROLL ON THE SURFACE OF THE MATERIAL. BACKING MEANS ARE ALSO PROVIDED AGAINST WHICH THE ROLLERS ROLL.
摘要:
With the method for manufacturing a composite brake disc, which includes a brake disc chamber and a friction ring having an inner profiling, a brake disc chamber blank is introduced into the friction ring. The brake disc chamber blank is then formed into the inner profiling via at least one embossing tool. A composite brake disc permitting a good torque transmission between the friction ring and the brake disc chamber can be manufactured in a cold-forming manner in this way. The forming-in can take place in a hammering manner, in particular by successively implementing a plurality of embossing steps in the region of different profile gaps of the inner profiling. Axial stops can also be simultaneously produced on forming-in. The axial stops serve to stop the brake disc chamber and the friction ring (3) are prevented from axially sliding apart.