Product Description

LL5042  Quality Guarantee Gym Equipment commercial home fitness machine Crunch adjustable Abdominal  Bench

 

Product name	home fitness machine Crunch adjustable Abdominal  Bench
Material	Steel tube Q235 with 50 x 100 x 3mm
Specification	1500*700*1000 mm
Logo	OEM ODM, Customized  LOGO
Packing	Polybag, Carton Box,Wooden Case ,Plywood Box or Customer′s Request
platform size	2m*3m*3cm   or  2m*2m *3cm
MOQ	1 set
Delivery time	Shipped in 20-30 days after payment
payment Terms	T/T,L/C,Western Union,Trade assurance
Shipping Way	By sea, By air DHL,UPS,Fedex and TNT,etc
Tube Material	Q235 A  oval steel
Tube Shape	oval tube
G.w :	43 kg
Cushion color :	All colors are available
Cushion Material:	Polyurethan PU foam
Tube color :	yellow-black, red-black, green-black,etc
Guaranty :	1. For structural frame ( excluding painting ) and Standard weight stack for 10 years; 2. Pulley, Cable, Handle, Seat cushion for 1 year; 3. Springs and other easy broken parts for 90 days.

Main  Features

1)  Application :   Commercial gym Fitness, Gymnasium club , Strength, percor  Series , liftefitness strength machine
2)  Material : Steel Q235  
3)  Rotating arms accommodate users of all sizes and improve range of motion
4)  Angled user position for enhanced comfort and stabilization
5)  Contoured elbow pads provide greater arm comfort

 

 

Product Description

 

FEATURES AT A GLANCE

*Tube: Oval tube, 60*120mm, thickness 3mm
*Pulley: Nylon or Aluminum
*Color: Customized for frame and seat
*Logo: Customized
*Cover: Black or transparen

Parameter :

1. Upholstery Colours Black
Front Weight Cover Colours Black
2. Certification CE, RoHs & ISO9001 
3. Steel Tube:Q235 Q235, 60*120*3mm square tube
4. Pulley ø106x20mm, with sealed bearing 6202RS
      Cable  Steel cable ø3.5 jacketed with PVC ø5.5mm outside diameter
5. Weight stack made of steel
6. Cushion Made of PU with once forming technology
7. Powder Coating 2 rounds 
8. Cushion : Cushion  Made of PU with once forming technology

Other machines  : 

1) Designed by professional experts under the principle of human motion mechanics.
2) Our products are made of superior steels and tubes,like Oblong tubes,Flat Elliptial tubes,Oval tubes,of 3mm in thickness.
3) Processed by physical and bladting and antirust zinc coating with another 2 layers of painting,Our machines are made in perfect appearance and hardness with strong anti-corrosion adhesives.
4) Cushions are covered bu PU leather, and handles with high quality rubber.
5) Handle caps are all chromed.
6) The seat can be marked with numbers. Cable wires of 6mm in diameter,can bear 800kgs strength.
7) We use the advanced wear-resisting systems and Carbon-dioxide-protection welding devices to grarantee the stability and safety of  every machine.

Type No.	Function	Marchine size	Weight	Stack
WDM-LL5001	chest press	1500*1400*1900mm	253kg	83kg
WDM-LL5002	Pectoral Fly	960*1500*1600 mm	242kg	83kg
WDM-LL5003	Pec/rear delt	1100*1400*1900mm	221.5kg	83kg
WDM-LL5004	shoulder press	1380*1200*1600mm	203.5kg	83kg
WDM-LL5005	lateral raise	800*1200*1600mm	193kg	71kg
WDM-LL5006	seated biceps curl	1460*1100*1600mm	212kg	83kg
WDM-LL5007	seated triceps extension	1420*1200*1600mm	246kg	83kg
WDM-LL5008	lat pulldown	1200*1200*1900mm	256KG	83kg
WDM-LL5009	seated row	1200*1300*1600mm	232kg	83kg
WDM-LL5571	assisted chin/dip	1200*1300*2200mm	213kg	83kg
WDM-LL5011	Back extension	1400*1160*1600 mm	232 kg	83kg
WDM-LL5012	abdominal crunch	1300*960*1600 mm	248 kg	83kg
WDM-LL5013	abdominal precursor	1400*1200*1650mm	224kg	83kg
WDM-LL5014	rotary Torso	1000*850*1600mm	190kg	71kg
WDM-LL5015	seated leg curl	1500*860*1600mm	255kg	83kg
WDM-LL5016	leg extension	1200*960*1600 mm	234kg	83kg
WDM-LL5017	seated leg press	1900*1200*1600mm	308kg	107kg
WDM-LL5018	prone leg curl	1500*1500*1600mm	224kg	83kg
WDM-LL5019	adductor	1500*1500*1600mm	230kg	71kg
WDM-LL5571	abductor	1500*1500*1600mm	230kg	71kg
WDM-LL5571	multi hip trainer	1060*950*1600 mm	237kg	71kg
WDM-LL5571	standing calf raise	1050*1200*1700 mm	230kg	83kg
WDM-LL5571	seated calf raise	1400*1200*1800 mm	225kg	83kg
WDM-LL5571	cable cross over	4200*640*2200mm	329kg	83KG*2
WDM-LL5571	Multi jungle 4 stacks	1500*2700*2200mm	540kg	83KG*2
WDM-LL5026	Multi jungle 5 stacks	4500*2700*2200mm	706kg	83KG*2
WDM-LL5571	Multi jungle 8 stacks	5000*2700*2200mm	1406kg	83KG*4
WDM-LL5571	Multi function machine	1600*1000*2200mm	295kg	83KG*2
WDM-LL5571	Smith machine	1350*1400*2300mm	181kg	//
WDM-LL5030	45 degree leg press	2000*1300*1200mm	174kg	//
WDM-LL5031	Hack squat	2000*1300*1200mm	156kg	/
WDM-LL5032	squat rack	1600*1150*2200mm	117kg	/
WDM-LL5033	olympic flat bench press	1500*1150*1200mm	74kg	/
WDM-LL5034	olympic incline bench press	1500*1150*1300mm	98kg	/
WDM-LL5035	olympic incline bench press	1500*1150*1200mm	90kg	/
WDM-LL5036	lying T-bar row	1900*700*1000mm	58kg	/
WDM-LL5037	T-bar row	2000*900*450mm	64kg	/
WDM-LL5038	adjustable roman chair	1200*850*900mm	48KG	/
WDM-LL5039	biceps preacher bench	700*750*900mm	36kg	/
WDM-LL5040	seated calf raise	1200*500*600mm	45kg	/
WDM-LL5041	lying abdominal	1600*1000*900mm	75kg	/
WDM-LL5042	adjustable abdominal bench	1500*700*1000  mm	43kg	/
WDM-LL5043	Vertical knee raise	1000*800*1600 mm	90kg	/
WDM-LL5044	adjustable multi function bench	1300*550*450mm	43kg	/
WDM-LL5045	flat bench	1200*600*450 mm	20kg	/
WDM-LL5046	Vertical bench	700*750*900  mm	20kg	//
WDM-LL5047	olympic plate rack	640*500*85 mm	31kg	//
WDM-LL5048	barbell rack	640*500*850 mm	44kg	//
WDM-LL5049	dumbbell rack	850*600*1300mm	74kg	//
WDM-LL5050	leg curl  & leg extension	1700*1100*1600mm	263kg	83kg
WDM-LL5051	back extension & abdominal crunch	1400*1100*1600mm	235kg	83kg
WDM-LL5052	hip   adductor &  abductor	1700*1100*1600 mm	230kg	83kg
WDM-LL5053	multi press machine	1700*1400*1600 mm	255kg	83kg
WDM-LL5054	lat pulldown & seated low row	1800*1400*1600 mm	255kg	107kg
WDM-LL5055	biceps/ triceps	1500*1200*1660mm	255kg	83kg
WDM-LL5056	leg press & hack squat	2000*1300*1200 mm		/
WDM-LL5057	3d smith machine  & power rack	1350*1400*2300mm		//
WDM-LL5058	smith machine & dual adjustable pully	1600*1400*2260 mm		/

Related products
synergy 360 multi functional trainer , 8 door , and 6 door and 4 door ,  custmized size power rack , lat pulldown power rack , power rack machine  , smith machine with power rack and lat pulldown, weight lifting platform power rack, monkey crossfit rig , wall mount folding squat power rack ,  long pull exercise.

 other cardio machine series, spin bike, treadmill, elliptical trainer, climbing machine, rowing machine, wooden curve treadmill,  assault air bike, medipull, tire flip , tank sled, and more gym accessories,  fixed barbell,  adjustable dumbbell, straight bar, olympic bar, curl bar for woman and man , dumbbell , weight plate, captain america dumbbell, kettlebell, rubber floor and rubber mat,  grass mat, step,MMA cage ,  handle parts, hex bar ,strenght training rope, balance cushion, jump box,  barbell , gym ball , yoga mat , medicine ball , resistance band, punch bag ,  kick boxing MMA Cage . 

Our factory : 

our certification

Packing and Dlivery 

 

FAQ
Q1:How long about the lead time?
A1:Within 25 Working Days.
Q2:Do you have some certification?
A2:Yes,we have passed CE,TUV,ISO9001,SGS,BV.
Q3:How about the payment?
A3:We support the T/T,L/C.
Q4:How about your after-service?
A4:We’ll send you the component for free to replace the damaged 1 during the warranty period.
Q5:Could you give me a scheme about the gym club?
A5:Yes,we can give you a precise project, a best design for free according to the square and your idea.

Q6: What is your type of shipping?
A:By sea, by air, by land,by international express and etc.
Q7:What is the MOQ?
A: Sample purchase is available. MOQ=1 set for strength machines and cardio machines
Q8:Could you give advice if offer gym size?
A: Yes, we have experience.
Q9: I do not know how to assemble the goods, could you help me?
A: Yes, we have the installation instructions and label No. which can help you assemble the goods. 

Calculate the ideal mechanical advantage of pulleys

The basic equations for pulleys can be found in this article. It will also cover the different types of pulleys, the ideal mechanical advantages of pulleys, and some common uses of pulley systems. Read on to learn more! After all, a pulley is a simple mechanical device that changes the direction of a force. Learn more about pulleys and their common uses in engineering.

pulley basic equation

Pulleys work the same way as gravity, so they should withstand similar forces. Newton’s laws of motion can be used to calculate the forces in a pulley system. The second law of motion applies to forces and accelerations. Similar to this is Newton’s third law, which states that the directions of forces are equal and opposite. The fourth law dictates the direction of force. The Fifth Law states that tension is in equilibrium with gravity.
A pulley is a simple mechanism that transmits force by changing direction. They are generally considered to have negligible mass and friction, but this is only an approximation. Pulleys have different uses, from sailboats to farms and large construction cranes. In fact, they are the most versatile mechanisms in any system. Some of their most common applications and equations are listed below.
For example, consider 2 masses m. Those of mass m will be connected by pulleys. The static friction coefficient of the left stop is ms1, and the static friction coefficient of the right stop is ms2. A no-slip equation will contain multiple inequalities. If the 2 blocks are considered to be connected by a pulley, the coefficient of kinetic friction is mk. In other words, the weight of each block carries the same mass, but in the opposite direction.

Types of pulleys

A pulley is a device used to pull and push objects. Pulley systems are ropes, cables, belts or chains. The “drive pulley” is attached to the shaft and moves the driven pulley. They are available in a variety of sizes, and the larger they are, the higher the speed of power transmission. Alternatively, use small pulleys for smaller applications.
Two-wheel pulleys have 2 mechanical advantages. The greater the mechanical advantage, the less force is required to move the object. More wheels lift more weight, but smaller pulleys require less force. In a two-wheel pulley system, the rope is wound around 2 axles and a fixed surface. As you pull on the rope, the shafts above slowly come together.
Compound pulleys have 2 or more rope segments that are pulled up on the load. The mechanical advantage of compound pulleys depends on the number of rope segments and how they are arranged. This type of pulley can increase the force by changing the direction of the rope segment. There are 2 main types of pulleys. Composite pulleys are most commonly used in construction. The ideal mechanical advantage of pulleys is 2 or more.
Construction pulleys are a basic type. They are usually attached to wheel rails and can be lifted to great heights. Combinations of axes are also common. Construction pulleys can be raised to great heights to access materials or equipment. When used in construction, these pulleys are usually made of heavy materials such as wood or metal. They are secured with ropes or chains.

The ideal mechanical advantage of pulleys

The pulley system is a highly complex system with high mechanical advantages. Use a single pulley system to reduce the force required to lift an object by cutting it in half. The mechanical advantage increases as you add more pulleys, such as 6 or seven. To calculate the mechanical advantage of a pulley system, you need to count the number of rope segments between the pulleys. If the free end of the rope is facing down, don’t count it. If it’s facing up, count. Once you have your number, add it up.
The required mechanical advantage of a pulley is the number of rope segments it has to pull the load. The more rope segments, the lower the force. Therefore, the more rope segments the pulley has, the lower the force. If the rope segments are four, then the ideal mechanical advantage is four. In this case, the composite pulley quadrupled the load force.
The ideal mechanical advantage of a pulley system is the sum of the mechanical force and the force required to lift the load at its output. Typically, a single pulley system uses 2 ropes, and the mechanical force required to lift the load is multiplied by the 2 ropes. For a multi-pulley system, the number of ropes will vary, but the total energy requirement will remain the same. The friction between the rope and pulley increases the force and energy required to lift the load, so the mechanical advantage diminishes over time.

Common uses of pulley systems

A pulley system is a simple mechanical device typically used to lift heavy objects. It consists of a rotating wheel attached to a fixed shaft and a rope attached to it. When the wheel moves, the force applied by the operator is multiplied by the speed of the pulley, and the force is multiplied by the weight of the object being lifted. Common uses for pulley systems include pulling, lifting, and moving heavy objects.
The oil and petroleum industries use pulley systems in a variety of applications. Most commonly, pulleys are used in drilling operations and they are installed on top of the rig to guide the cable. The cable itself is attached to 2 pulleys suspended in the derrick, where they provide mechanical energy to the cable. Using a pulley system in this application provides the force needed to move the cable safely and smoothly.
The main advantage of the pulley system is that it minimizes the force required to lift an object. The force used to lift the object is multiplied by the desired mechanical advantage. The more rope segments, the lower the force required. On the other hand, a compound pulley system can have many segments. Therefore, a compound pulley system can increase the force a worker can exert on an object.
Safety Precautions to Take When Working on Pulley Systems

There are many safety precautions that should be observed when working on a pulley system. The first is to wear proper protective gear. This includes hard hats that protect you from falling objects. Also, gloves may be required. You should limit the amount of movement in the penalty area, and you should also keep the area free of unnecessary people and objects. Also, remember to wear a hard hat when working on the pulley system.
Another important safety precaution when working on a pulley system is to check the Safe Working Load (SWL) of the pulley before attaching anything. This will help you understand the maximum weight the pulley can hold. Also, consider the angle and height of the pulley system. Always use safety anchors and always remember to wear a hat when working on a pulley system.
Safe use of chain hoists requires training and experience. It is important to read the manufacturer’s manual and follow all safety precautions. If you’re not sure, you can actually inspect the hoist and look for signs of damage or tampering. Look for certifications for sprocket sets and other lifting accessories. Look for the Safe Working Load (SWL) marking on the chain hoist.

Example of a pulley system

Pulley systems are often used to lift items. It allows you to reduce the effort to lift and move the load by applying force in 1 direction. Pulley systems can be built and modeled to fit any type of project. This resource focuses on pulley systems and is designed to support the new GCSEs in Engineering, Design and Technology. There are also many examples of pulley systems suitable for various applications.
In the study, participants who read easy text took longer to manipulate the pulley system than those who read challenging text. In general, this suggests that participants with prior scientific experience used their cognitive abilities more effectively. Additionally, students who read simple texts spent less time planning the pulley system and more time on other tasks. However, the study did show that the time required to plan the pulley system was similar between the 2 groups.
In everyday life, pulley systems are used to lift various objects. Flagpoles are 1 of many pulley systems used to raise and lower flagpoles. They can also be used to raise and lower garage doors. Likewise, rock climbers use pulleys to help them ascend and descend. The pulley system can also be used to extend the ladder.