Product Introduction The ZQSZ-140/4.1  frame-supported pneumatic handheld drill features large torque, forward and reverse rotation functions, portability, simple structure, and easy maintenance. This series of drills is suitable for drilling operations for water exploration (drainage) and gas in rock and coal seams, and can also be used for tasks such as bolt support in coal and semi-coal roadway sidewalls, blast hole drilling, and bolt installation. Product Features

• It can realize three operation modes according to user requirements: handheld, leg-supported and frame-supported, realizing one machine with three functions.
• This machine is a high-torque handheld drilling machine compliant with national industry standards, and is a lightweight equipment for short-range advance probing in coal mines.
• This machine features forward and reverse rotation functions, allowing convenient drilling in and retracting of drill rods and bits.
• Special materials and manufacturing processes ensure a trouble-free working time of over 6 months.
• It is ready to use after installation, convenient and flexible, with a unique control mechanism for easy operation, integrating support and propulsion into one unit.

 

Overall Performance Parameters	Basic Performance Parameters	الوحدة	ZQSZ-140/4.1
	Working Pressure	MPa	0.5
	عزم الدوران المصنف	ن·م	140
	Rated Reverse Torque	ن·م	140
	سرعة الدوران المقدرة	r/min	280
	Maximum Output Power	كيلوواط	4.1
	Maximum Load Torque	ن·م	220
	Stall Torque	ن·م	240
	Starting Torque	ن·م	230
	Air Consumption	m³/min	5
	No-load Rotation Speed	r/min	610
	Torque at 1/2 No-load Rotation Speed	ن·م	305
	الضوضاء	dB(A)	110
	وزن الآلة	ك.ج.	19
	Drill Shank Size	هممم	18 Square / 24 Square