Lokacin zabar mitar shigar da kayan aikin dumama , shin wajibi ne a lissafta?

When selecting the frequency of induction dumama kayan aiki , shin wajibi ne a lissafta?

Zaɓin mitar na yanzu shine galibi don zaɓar kewayon mitar, wato, don zaɓar rukunin mitar, ba don zaɓar ƙimar mitar daidai ba, ba shi da ma’ana. Ya kamata a ce 8kHz da 10kHz daidai suke; Hakanan ana iya amfani da 25kHz da 3kHz gaba ɗaya; amma 8kHz da 30kHz, 30kHz da 250kHz ba za a iya amfani da su gaba ɗaya ba, saboda ba su cikin rukunin mita ɗaya ba, akwai tsari na girma.

Matsakaicin na’urorin samar da wutar lantarki mai ƙarfi da matsakaici-mita sun ƙididdige mitoci a duk ƙasashe. Dangane da buƙatun diamita na sassa daban-daban da zurfin Layer mai tauri, ana iya zaɓar mitar da ta dace bisa ga Table 2-1 da Table 2.2.

Tebura 2-1 Ƙarfin Layer na ƙayyadaddun ƙimar mitar

Yanayin /kHz		250	70	35	8	2. 5	1. 0	0.5
Zurfin Layer /mm	Mafi karami	0. 3	0. 5	0. 7	1. 3	2.4	3.6	5. 5
	m	1.0	1.9	2.6	5. 5	10	15	ashirin da biyu
	mafi kyau	0. 5	1	1.3	2.7	5	8	11

① A 250kHz , saboda matsanancin zafi mai zafi, ainihin bayanan na iya zama mafi girma fiye da darajar a cikin tebur.

Tebura 2-2 Zaɓin mitar yayin da ake kashe sassa na cylindrical

mita	Mafi ƙarancin diamita da aka yarda	Nasihar diamita	mita	Mafi ƙarancin diamita da aka yarda	Nasihar diamita
/kHz ba	/ mm ku	/ mm ku	/kHz ba	/ mm	/ mm
1.0	55	160	35.0	9	26
2.5	35	100	70.0	6	18
8.0	19	55	250.0	3.5	10

Tebu 2-3 shine ginshiƙi na zaɓin mitar na yanzu yayin ƙaddamar da ƙaddamar da sassan Kamfanin John Deere a Amurka. An haɗu da diamita na ɓangaren da zurfin taurin Layer, kuma ana iya amfani da shi azaman ginshiƙi don zaɓin mita na yanzu.

Tebur 2-3 Zaɓin mitar halin yanzu na sassa masu taurare

Power wadata Induction taurare sassa		category	Generator m jihar ikon			Babban mitar janareta
		Ƙarfi / kW	7 ~ 2000			5-600
		Yanayin /kHz	1	3	10	50 ~ 100	200 ~ 600	1000
Diamita /mm	Zurfin Layer /mm
W12	0.2 mafi girma 0.7						A	A B
13 – 18	0 Mafi qaranci 2				B	B A	A A

Power wadata Induction taurare sassa		Wani aji IJ	Inji janareta m-jihar samar da wutar lantarki			Babban mitar janareta
		Ƙarfi / kW	7 – 2000			5 -600
		Yanayin /kHz	1	3	10	50 ~ 100	200 ~ 600	1000
19 ~ 59	2 m 4			A	A B
N60	3.5 mafi girma		A	B	C

Lura: 1. Ana ɗaukar zurfin daɗaɗɗen daɗaɗɗen da aka yi a cikin tebur daga ƙarfe mai zafi mai zafi mai zafi, kuma an auna zurfin ma’auni zuwa 45HRC.

2. Matsakaicin zurfin zurfin Layer ya dogara da kaddarorin kayan aikin dumama na ɗan gajeren lokaci (jihar magani kafin zafin zafi), kuma matsakaicin zurfin zurfin Layer ya dogara da taurin kayan da matakin zafi sama da ƙasa.

3. A yana wakiltar mita mafi dacewa; B yana wakiltar mitar da ta fi dacewa; C yana wakiltar mitar da ba ta dace ba.