HT81A Hydraulic Drilling Jumbo

telescopic boom and hydraulic drifter for tunneling, section up to 3.5m x 3.5m - 6mx6.5m, Hole depth: 3300mm, Weight: 12t - details see: https://www.machineto.com/ht81a-hydraulic-drilling-jumbo-10313129

Condition:New	Type:Blasthole drilling	Place of Origin:Hebei China (Mainland)	Brand Name:HUATAI
Model Number:HT81A	Usage:Ore	Application:Tunnel constuction

HT81A Hydraulic Drilling Jumbo.

Direct controlled hydraulic tunneling and mining drilling Jumbo equipped with telescopic boom and imported hydraulic drifter for cross sections up to 31 m^2.

Features

1. The drilling Jumbo adopted a direct controlled drilling system which incorporates excellent anti-jamming function RPCF (Rotation Pressure Controlled Feed force).

2. Hydraulic drifter with large flow, low pressure and modern double reflex dampening giving genuine high speed drilling and excellent drill steel economy.

3. HT series heavy-duty box-type hydraulic feeds with high torsional resistance.

4. Telescopic heavy-duty booms for direct, fast and accurate positioning between holes.

5. Sturdy, articulated carrier with four wheel drive for easy manoeuvring in narrow tunnels and drifts. Four jacks for stable set up. Basic rig includes telescopic FOPS-approved protective roof, cable reel.

HT Series Feeds

HTB HTC

Total length, mm 5500 6044

Drill steel length, mm 3700 4350

Hole depth, mm 3300 3900

Telescopic Boom

Feed extension 1250 mm

Boom extension 1250 mm

Parallel holding Complete

Feed roll-over 360 degrees

Max. lifting angle +65 degrees ~ -30 degrees

Max. swinging angle ±35 degree