Method of quench hardening and device for use therein
A technology of quenching device and quenching oil, which is applied in the direction of quenching device, furnace, heat treatment equipment, etc., can solve the problems of unbalanced heat treatment deformation and unbalanced flow rate, and achieve the goal of suppressing carburizing quality and unbalanced heat treatment deformation, and reducing cooling speed unbalanced, reducing the effect of unbalanced
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[0026] Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[0027] figure 1 and figure 2 It shows the arrangement of ring-shaped items S to be processed such as gears. figure 1 In , a plurality of vertical bar-shaped jigs J1 are erected on the upper surface of the tray T1 (also in the direction perpendicular to the paper surface). A plurality of items S to be processed are embedded at predetermined intervals on each jig J1. This state is called a flat arrangement. figure 2 Among them, a pair of piles P are erected at both ends of the upper surface of the tray T2, and the horizontal bar-shaped jig J2 is set up on the two piles P and fixed (in the direction perpendicular to the paper surface) with a distance between the upper and lower sides. also available above). A plurality of items S to be processed are embedded at predetermined intervals on each jig J2. This state is called a sideways placement.
[0028] In the case ...
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