Ʒ ã·� Ӧ ã ջ Ʒ ϰ װ ȣ ۵ Ҫ Ҫ ģ ǻ ı ïµ� ij̶ȡ ѧ Ƭ 䳪Æ� ģ ߶Ա ֲڶ Ҫ ߣ Ե Ҫ Ҳ ߡ â²� ӹ ۣ ܹ Ʋ ϱ ʴ ԡ ĥ ԣ ʹģ ӵ ŵã£� ʹ Ʒ ģ ע ڵȡ ģ Ǻ Ҫ һ
Ŀǰ õ â·� ¼ ֣
1.1 е
е ǿ ϱ Ա ȥ õ ƽ â·� һ ʹ ʯ ë ֡ ɰֽ ȣ ֹ Ϊ ת æ£� ʹ ת̨ ȸ ߣ Ҫ ߵĿɲ ó ķ Dz Ƶ ĥ ߣ ں ĥ ϵ Һ У ѹ ڹ ӹ ϣ ת ˶ øü ԴﵽRa0.008 m ı ֲڶȣ Ǹ â·� ߵġ ѧ Ƭģ ߳ ַ
1.2 ѧ
ѧ ò ڻ ѧ б IJ ֽϰ ܽâ£� Ӷ õ ƽ æ¡� ַ Ҫ ŵ Dz è¸� è±� ״ ӵĹ ͬʱ ܶà¹� Ч ʸߡ ѧ ĺ Һ ơ ѧ õ ı ֲڶ һ Ϊ 10 m
1.3
(1) ƽ ܽ Һ ɢ ϱ æ¼� δֲ ½ Ra>1 m
(2) ƽ ߣ Ra<1 m
1.4
ĥ Һ в һ ڳ У ã ʹĥ ڹ ĥ â¡� ӹ С Σ װ Ͱ װ ѡ ӹ 뻯Ñ� 绯Ñ� ϡ Һ ʴ Ļ ϣ ʩ ӳ Һ ʹ ܽ ë£� æ¸� ĸ ʴ ʾ ȣ Һ еĿջ û ܹ Ƹ ʴ ̣ ڱ
1.5
Һ å¼� Я ĥ ˢ ïµ� Ŀ ġ ÷ У ĥ ӹ Һ ӹ å¶� ĥ ȡ å¶� ĥ Һѹ ʹЯ ĥ Һ ʸ æ¡� Ҫ ڽϵ ѹ Ժõ â»� ( ۺ ״ ) ĥ Ƴɣ ĥ Ͽɲ ̼ ĩ
1.6 ĥ
ĥ ô ĥ ڴų γ ĥ ˢ Թ ĥ ӹ ַ ӹ Ч ʸߣ ã ӹ ƣ á ú ʵ ĥ ϣ ֲڶȿ ԴﵽRa0.1 m
ģ ӹ ˵ ҵ Ҫ ı кܴ IJ ͬ ϸ ˵ ģ ߵ Ӧ ó Ϊ ӹ â±� кܸߵ Ҫ ҶԱ ƽ ȡ â»� Լ ξ ȷ Ҳ кܸߵı һ ֻҪ ù ı æ¼� ɡ ӹ ı Ϊ ļ AO=Ra0.008 m A1=Ra0.016 m A3=Ra0.032 m A4=Ra0.063 m ڵ â¡� ȷ Ѿ ȷ ļ ξ ȷ ȣ ѧ â¡� â¡� ĥ ȷ ı ִï²� Ҫ Ծ ģ ߵľ ӹ Ի е Ϊ
2.1 е
Ҫ ø Ч Ҫ Ҫ ߱ и ʯ ɰֽ ʯ ĥ â¹� ߺ Ʒ ѡ ȡ ǰ ڼӹ ı ״ е ӹ ӹ ĥ ӹ ȵȡ е һ £
(1) ϳ ĥ ȹ պ ı ѡ ת 35 000 40 000 rpm ת ĥ â¡� õķ ֱ 3mm WA # 400 ȥ ɫ 㡣È� ֹ ʯ ĥ ״ ʯ ú Ϊ ȴ һ ʹ ˳ Ϊ#180~#240~#320~#400~#600~#800~#1000 ģ Ϊ ˽ Լʱ ѡ #400 ʼ
(2) ë¾� װë¾� Ҫʹ ɰֽ ú ͡ ɰֽ ĺ Ϊ #400~#600~#800~#1000~#1200~#1500 ʵ #1500ɰֻֽ ڴ Ӳ ģ ߸ (52HRC ) ԤӲ ֣ Ϊ ܻáµ� ԤӲ ּ ˡ
(3) Ҫʹ ʯ ĥ à¡� â²� ֻ ʯ ĥ ۻ ĥ ĥ Ļ ͨ ĥ˳ 9 m(#1800)~ 6 m(#3000)~3 m(#8000) 9 m ʯ ĥ â²� ֿ ȥ #1200 #1500 ɰֽ µķ ״ĥ ۡ ճձ ʯ ĥ ⣬Ë� Ϊ1 m(#14000)~ 1/2 m(#60000)~1/4 m(#100000)
Ҫ 1 m ( 1 m) â¹� ģ ӹ һ ڼ ɽ С и Ӿ ܵ һ Խà¾� Ŀռä¡� ҳ ͷƤм Ϳ ˮĭ п ܱ Сʱ õ ĸ߾ æ¡�
2.2 е Ҫע
ɰֽ Ӧע ¼ ã£�
(1) ɰֽ Ҫ ľ Բ ʱ ʹ ľ ɸ õ Բ Ļ ȡ Ӳ ľ ӣ ľ ƽ â¡� ľ ĩ ʹ ּ ״ Ǻϣ Ա ľ ( ) ǽӴ ּ ɽ Ļ ۡ
(2) ò ͬ ͺŵ ɰֽʱ â·� Ӧ ä»�45°~ 90° ǰһ ͺ ɰֽ µ Ӱ ɷֱ ڻ ͬ ͺ ɰֽ֮ǰ 100% մȡ ƾ ֮ Һ ϸ IJ ã Ϊһ ź С ɳ ڱ æ¶� ٻ ȥ â¹� ɰֽ â»� ʯ ĥ ʱ ͬ Ҫ ֮ǰ п ú Ͷ ë±� ȫ ɾ
(3)Ϊ ˱ ˺ ˹ æ£� #1200 #1500ɰֽ ʱ ر С ġ б Ҫ һ غ Լ â·� Ա â¡� ÿһ ͺŵ ɰֽ ʱ Ӧ ͬ â£� ֮ ÿ ת 45°~ 90°
ʯ ĥ Ӧע ¼ ã£�
(1) ë¾� ڽ ѹ ½ ر ԤӲ ּ ϸ ĥ ʱ #8000 ĥ ʱ غ Ϊ100~200g/cm2 Ҫ ִ غɵľ Ⱥ Ϊ ˸ һ ã£� ľ һ խ ֱ һͭƬ ȥһ ֶ ʹ ѹ ȷ ģ ߱ ѹ ߡ
(2) ʹ ʯ ĥ ʱ ǹ Ҫ à¾� ߵ ˫ Ҳ ϸ à¡�
(3)ÿ ʱ 䲻Ó� ʱ Խ ̣ Ч Խ á ̽ еù ɡ Ƥ ͡ ʴ
(4)Ϊ ø Ч ȵ â·� ߶ Ӧ â¡� ç£� â£� ֲ ɡ Ƥ
(5) ֹͣʱ ֤ à¾� ϸȥ ĥ dz Ҫ Ӧ ڱ һ ģ ߷ Ϳ ã¡�
ڻ е Ҫ ǿ ˹ ɣ â¼� Ŀǰ Ӱ Ҫԭ ֮ â£� ģ ߲ ϡ ǰ ı ״ ȴ յ йء ʵĸֲ ǻ ǰ ֲı Ӳ Ȳ в ì£� ѡ ֲ еĸ ּ â¡�
3.1 ͬӲ ȶ â¹� յ Ӱ
Ӳ ʹ ĥ Ĵֲڶȼ С Ӳ ȵ ߣ Ҫ ïµ� ϵ͵Ĵֲڶ ʱ Ӧ ͬʱӲ ߣ ȵĿ Ӧ ١
Ӳ ĥ ܺ ܵĹ ϵ
3.2 ״ â¹� յ Ӱ
ֲ е ӹ У Ӧ ض Ӱ Ч ӹ ı ͨ е ӹ ȴ ı ĥ ˵ ӹ ǰӦ þ γ Ӳ ã¡� ѡ Ӱ ɴ 0.4mm Ӳ Ӳ ȱȻ Ӳ ȸߣ ȥ һ ĥ ӹ ã£� һƬƽ ֲڵĽ 棬Î� ӹ ṩÒ� û
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