Mitundu itatu ya dumbbells

Pali mitundu itatu ya ma dumbbells: ma dumbbells yogwira, ma dumbbells okhazikika ndi mabelu.

1. Ma dumbbells a ntchito
Pakali pano pali mitundu itatu ya dumbbells yogwira: electroplating, kupopera mbewu mankhwalawa, ndi encapsulating.Kulemera kwamtundu uliwonse wa dumbbells kumafika 35-40 kg.Mabelu amapezeka mu 5 kg, 3 kg, 1.5 kg ndi 1 kg, omwe amatha kulemedwa momasuka.Mapeto awiri a dumbbell bar amakhazikika ndi tatifupi, yomwe ndi yabwino komanso yothandiza kugwiritsa ntchito, komanso yotetezeka komanso yodalirika.Dumbbell ya electroplated imawoneka yowala, yolimbitsa thupi.

2. Ma dumbbells okhazikika
Pali mitundu iwiri ya ma dumbbells okhazikika: electroplating ndi utoto wopopera.Imalumikiza chogwirira ndi mipira iwiri yachitsulo pamodzi, motero kulemera kwake kumakhazikika.Pakali pano pali mitundu 10 ya dumbbells ya 40 kg, 35 kg, 30 kg, 25 kg, 20 kg, 15 kg, 10 kg, 7 kg, 5 kg ndi 3 kg.Chifukwa cha kulemera kosasunthika kwa ma dumbbells, pamene kulemera kumawonjezeka mu mphamvu kwa kanthawi, kumakhala kopepuka kwambiri ndipo kumafunika kusinthidwa ndi kulemera kwakukulu;koma ngati mutagula ma dumbbells osiyanasiyana olemera, amatenga malo ambiri, choncho sizochuluka.Zoyenera kugwiritsidwa ntchito pabanja.

3. Bell
Belulo limapangidwa ndikumangirira mpira wolimbitsa thupi mbali zonse ziwiri za chogwirira (ndi ma turnbuckles), ndipo iliyonse imalemera pafupifupi ma kilogalamu 0,5 mpaka 1.5.Mpira wolimbitsa thupi umavina ndi phokoso lofanana ndi belu lasiliva, lomwe limamveka bwino kwambiri m'khutu ndipo likhoza kuwonjezera chidwi cha dokotala.Ndi bwino kugwiritsa ntchito kulimbikitsa minofu ndi kutaya mafuta ndi kuonda.Beluli nthawi zambiri limagwiritsidwa ntchito povina disco lolimbitsa thupi, kugwira dzanja limodzi kuti muwonjezere mphamvu ndi mpweya.