Zhongshan Rizda Castor Manufacturing Co., Ltd. Ili ku Zhongshan City, Guangdong Province, umodzi mwa mizinda yapakati pa Pearl River Delta, yokhala ndi malo okwana masikweya mita oposa 10000. Ndi kampani yopanga mawilo ndi ma Castor yaukadaulo yopatsa makasitomala mitundu yosiyanasiyana ya kukula, mitundu, ndi mitundu ya zinthu zomwe zimagwiritsidwa ntchito m'njira zosiyanasiyana. Kampaniyo yomwe idayambitsa kampaniyo inali BiaoShun Hardware Factory, yomwe idakhazikitsidwa mu 2008 yomwe yakhala ndi zaka 15 zokumana nazo pakupanga ndi kupanga.
Ma polypropylene castor ndi olimba komanso okhazikika, ndipo amagwira ntchito bwino kwambiri. Amagwiritsidwa ntchito kwambiri m'ma workshop, m'nyumba zosungiramo katundu ndi zida zina zogwirira ntchito. Polypropylene (PP) imawonjezeredwa ndi Strive resin kuti iwonjezere kusinthasintha ndi kukana kukalamba kwa mawilo, kuti ma castor akhale ndi kukana kukhudza ndipo sakhala osavuta kuswa pogwiritsa ntchito, zomwe zimapangitsa kuti moyo wa mawilo ukhale wabwino kwambiri. Needle roller bearing ndi roller bearing yokhala ndi ma cylindrical rollers. Kutalika kwa roller ndi nthawi 3 ~ 10 kuposa m'mimba mwake, ndipo m'mimba mwake nthawi zambiri siposa 5 mm. Mphamvu ya transmission ndi yayikulu. Mgwirizano wa friction ndi 0.001-0.005 yokha.
1. Sili ndi poizoni komanso silinunkhiza, ndi la zinthu zoteteza chilengedwe, ndipo lingathe kubwezeretsedwanso.
2. Ili ndi kukana mafuta, kukana asidi, kukana alkali ndi zina. Zosungunulira zachilengedwe monga acid ndi alkali sizimakhudza kwambiri.
3. Ili ndi makhalidwe monga kulimba, kulimba, kukana kutopa komanso kukana kupsinjika, ndipo magwiridwe ake sakhudzidwa ndi chinyezi.
4. Yoyenera kugwiritsidwa ntchito pa nthaka zosiyanasiyana; Imagwiritsidwa ntchito kwambiri posamalira mafakitale, m'nyumba zosungiramo katundu ndi m'malo operekera zinthu, popanga makina ndi mafakitale ena; Kutentha kwa ntchito ndi - 15~80 ℃.
5. Chogwirira chozungulira chimakhala ndi magwiridwe antchito apamwamba komanso moyo wautali wautumiki.
6. Popeza kuti chogwirira chozungulira chili ndi mphamvu zambiri zotumizira komanso kutentha kochepa, chingachepetse kugwiritsa ntchito mafuta opaka, ndipo mafuta opaka ndi kukonza zimakhala zosavuta.
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| Chipinda cha mawilo | Katundu | Chozungulira | Bulaketi | Katundu | Kukula kwa mbale yapamwamba | Kutalikirana kwa Mabowo a Bolt | M'mimba mwake wa Bolt Hole | Kutsegula | Nambala ya Zamalonda |
| 80*36 | 100 | 38 | 2.5|2.5 | 108 | 105*80 | 80*60 | 11*9 | 42 | R1-080S4-114 |
| 100*36 | 100 | 38 | 2.5|2.5 | 128 | 105*80 | 80*60 | 11*9 | 42 | R1-100S4-114 |
| 125*36 | 150 | 38 | 2.5|2.5 | 155 | 105*80 | 80*60 | 11*9 | 52 | R1-125S4-114 |
| 125*40 | 180 | 38 | 2.5|2.5 | 155 | 105*80 | 80*60 | 11*9 | 52 | R1-125S4-1142 |
| 160*50 | 200 | 52 | 3.0|3.5 | 190 | 135*110 | 105*80 | 13.5*11 | 62 | R1-160S4-114 |
| 200*50 | 250 | 54 | 3.0|3.5 | 235 | 135*110 | 105*80 | 13.5*11 | 62 | R1-200S4-114 |