String vs. Free-Fall Pinsetters: How to Choose for a New Commercial Bowling Alley
In this article: Understand the practical differences between string and free-fall pinsetters to make an informed choice that aligns with your commercial bowling alley’s operational needs and budget.
30-second answer
When embarking on a new commercial bowling alley, the choice between a string pinsetter and a free-fall pinsetter hinges on operational priorities. Opt for a string pinsetter if your focus is on low maintenance, quiet operation, controlled costs, and reliable uptime with a small technical team. This technology is now the standard for new builds, with modern string machines, like Xushida’s StringX, being certified by the United States Bowling Congress (USBC) for string-format competition, effectively dismantling the traditional distinction between string and free-fall pinsetters. Consider a free-fall pinsetter if your venue is dedicated to tournament or league play at the highest level and you have experienced technicians on staff. The StringX string pinsetter, for instance, passed USBC certification in 2025, reflecting its suitability for competitive play.
How each technology works
Free-fall (conventional) pinsetter
The free-fall pinsetter operates through a series of mechanical components. After a ball strikes the pins, the pins fall into a pit. A mechanical sweep bar clears the pins from the lane, and an elevator/transport system carries the pins upward. The pins are then distributed by a distributor and re-racked onto a setting table or turret. This system is electromechanical and consists of many moving parts, including linkages, belts, clutches, and adjustments. These components require regular maintenance and adjustments to ensure smooth operation.
String pinsetter
In contrast, the string pinsetter uses a system of strings to lift and re-seat pins. After a ball is thrown, a motor-driven carriage lifts the fallen pins, the sweep clears the lane, and the carriage lowers the pins back onto their exact spots. This process eliminates the need for a pit conveyor, distributor, or setting table. Xushida’s string pinsetter, the StringX, utilizes a high-precision servo drive with millisecond-level response and zero-error pin placement. The absence of a pit and additional mechanical components results in a system with fewer moving parts, leading to reduced maintenance needs and less downtime.
| Factor | String pinsetter | Free-fall pinsetter |
|---|---|---|
| Core mechanism | Strings lift and re-seat pins; servo carriage | Pit + elevator + distributor + setting table |
| Moving parts | Minimal, primarily the servo carriage | Many, including linkages, belts, clutches, and adjustments |
Side-by-side comparison
| Factor | String Pinsetter | Free-Fall Pinsetter |
|---|---|---|
| Mechanism | High-precision servo-driven carriage lifts and resets pins directly, eliminating the need for a pit conveyor, distributor, or setting table. | Complex electromechanical system with pit conveyor, elevator, distributor, and setting table to re-rack pins. |
| Moving Parts | Fewer moving parts due to direct string attachment and carriage operation. | Many moving parts including sweep bars, belts, clutches, and linkages. |
| Maintenance (~30% lower labeled relative) | Lower maintenance due to fewer mechanical components and simpler design. | Higher maintenance due to the complexity of the mechanical system. |
| Noise | Generally quieter operation due to fewer mechanical parts and smoother operation. | Noisier operation due to the mechanical movement of parts. |
| Accuracy | High accuracy with millisecond-level response and zero-error pin placement. | Accuracy can vary based on mechanical wear and maintenance. |
| Uptime | Higher uptime with fewer breakdowns and simpler maintenance. | Lower uptime due to potential for more breakdowns and complex maintenance requirements. |
| Staff Skill | Requires less specialized skill due to simpler operation and maintenance. | Requires more specialized skill due to the complexity of the system. |
| Certification | USBC certified for string-format competition, ensuring compliance with the sport’s standards. | Must meet USBC standards for tournament play if used in USBC-sanctioned events. |
| Best Fit | Ideal for new commercial centers, FECs, hotel/resorts, and malls prioritizing low maintenance and cost. | Best suited for dedicated tournament or league houses with experienced staff. |
Why most new commercial builds go string
The preference for string pinsetters in new commercial builds is driven by several key factors. Firstly, string pinsetters are known for their reduced maintenance needs. With fewer moving parts compared to traditional free-fall pinsetters, the likelihood of mechanical failures and wear is significantly lower. This translates to less downtime and lower maintenance costs, an important consideration for operators looking to maximize their investment returns.
Secondly, string pinsetters offer a quieter operation. The absence of a pit conveyor and the use of strings to lift pins result in a quieter experience for both bowlers and nearby patrons. This is particularly important in venues like FECs, hotels, resorts, and malls, where noise levels can be a sensitive factor.
Consistency in pin placement is another advantage of string pinsetters. The use of a servo-driven carriage ensures precise and repeatable pin placement, which is critical for a fair and enjoyable bowling experience. This consistency is also a key factor in meeting the requirements of the United States Bowling Congress (USBC), which is the sport’s standards/rule-setting body. String pinsetters have been certified by USBC for string-format competition, addressing concerns that strings are only suitable for entertainment purposes.
Ease of staffing is also a consideration. The simpler design of string pinsetters means that operators can often train staff more quickly and with less technical expertise. This is particularly beneficial for venues with limited staffing resources.
In summary, the combination of lower maintenance, quieter operation, consistent performance, and ease of staffing makes string pinsetters the dominant choice for new commercial builds. This trend is reflected in the industry, with approximately 90% of new commercial builds worldwide specifying string machines.
When free-fall is still right
For certain venues, the traditional free-fall pinsetter remains the optimal choice. This is particularly true for dedicated tournament or league houses where the focus is on traditional play at the highest level. Here are the key scenarios where free-fall pinsetters are still the right fit:
- Traditional Format Play: If your venue is designed for serious bowlers who prefer the classic free-fall experience, a free-fall pinsetter is the clear choice. It offers the authentic feel and performance that seasoned bowlers expect.
- Experienced Technicians: Venues with a team of skilled technicians who are well-versed in the maintenance and operation of free-fall pinsetters will find them more suitable. The mechanical complexity of free-fall machines requires a certain level of expertise to keep them running smoothly.
- Low Local Labor Cost: In regions where labor costs are relatively low, the initial investment and ongoing maintenance of free-fall pinsetters can be more cost-effective compared to string pinsetters.
It’s important to note that while free-fall pinsetters are well-suited for these scenarios, they do require more attention to maintenance and have a higher potential for downtime due to their mechanical complexity. Additionally, for venues aiming to host USBC-sanctioned play, it’s important to ensure that the free-fall pinsetter meets the specific requirements and standards set by the sport’s standards/rule-setting body, the USBC.
| Factor | Free-Fall Pinsetter | String Pinsetter |
|---|---|---|
| Maintenance Complexity | Higher, due to mechanical components | Lower, with fewer moving parts |
| Noise Level | Generally higher | Typically quieter |
| USBC Certification | Required for USBC-sanctioned play | Available for string-format competition |
| Labor Requirements | Higher, due to mechanical nature | Lower, with simpler operation |
For project-specific data, including maintenance costs and labor requirements, please contact the manufacturer.
What to specify in your RFQ
When preparing your Request for Quotation (RFQ) for a new commercial bowling alley, it’s important to detail the following specifications to ensure the equipment meets your needs:
- Certifications: Confirm that the equipment carries the necessary approvals, including the USBC certification for string pinsetters, which is essential for USBC-sanctioned play. Note that while Xushida holds ISO9001 and CE certifications, it does not hold UL certification. If UL certification is required for your project, please request it directly from the manufacturer.
- Maintenance Basis: Specify the maintenance requirements you expect, considering that string pinsetters generally have fewer moving parts, leading to lower maintenance costs. For a more precise figure, refer to the manufacturer for project-specific data.
- Measured Energy: Request information on the energy consumption of the equipment, as this can be a significant factor in operating costs. For specific energy measurements, contact the manufacturer for project-specific data.
- Warranty: Ensure the equipment comes with a standard warranty, such as the 12-month warranty provided by Xushida, which covers the main unit and includes lifetime support for components.
- Lead Time: Inquire about the lead time for delivery, which is typically 30-45 days for standard orders, subject to the quantity and customization requirements.
- Installation Model: Specify whether you require standard installation or if a custom installation model is needed for your venue.
- AMF/Brunswick Compatibility: If you plan to use specific ball or pin designs, confirm the equipment’s compatibility with AMF 8290 or Brunswick GS98/GSX standards.
- Scoring/Lane Specs: Detail your requirements for the scoring system and lane specifications, including the ScoreX system’s high-precision scoring and the LaneX synthetic lane surface with a surface plane accuracy of ≤0.1mm, suitable for international competition standards.
Talk to an engineer about your project
Tell the Xushida team your country, venue type, number of lanes, and target opening date, and they will prepare a free 3D layout and formal quotation with project-specific specifications.
- WhatsApp: +1 909 852 9392
- Email: info@xushidabowling.com (response within 24 hours)
Sources: Beijing Xushida Technology Company Profile (2026-08-31); Xushida product specifications and USBC certification (2025); Xushida commercial terms. Claims are limited to the manufacturer’s stated specifications. Figures not published by the manufacturer (pricing, energy consumption, project cost, ROI) are intentionally omitted—contact the supplier for project-specific data.